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2874564 = 22327111761
BaseRepresentation
bin1010111101110011000100
312102001011100
422331303010
51213441224
6141340100
733301440
oct12756304
95361140
102874564
111693780
12b67630
13798534
1454b820
153bbac9
hex2bdcc4

2874564 has 144 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 691200.

The previous prime is 2874559. The next prime is 2874569. The reversal of 2874564 is 4654782.

2874564 is a `hidden beast` number, since 28 + 74 + 564 = 666.

2874564 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2874559) and next prime (2874569).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 213 + 8 + 77 + 47 + 59 + 65 + 48 .

2874564 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (2874569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47094 + ... + 47154.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

22874564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2874564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4874688).

2874564 is an abundant number, since it is smaller than the sum of its proper divisors (6874812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2874564 is a wasteful number, since it uses less digits than its factorization.

2874564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 101 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2874564 is about 1695.4539215207. The cubic root of 2874564 is about 142.1861606524.

It can be divided in two parts, 287 and 4564, that added together give a triangular number (4851 = T98).

The spelling of 2874564 in words is "two million, eight hundred seventy-four thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 7 9 11 12 14 17 18 21 22 28 33 34 36 42 44 51 61 63 66 68 77 84 99 102 119 122 126 132 153 154 183 187 198 204 231 238 244 252 306 308 357 366 374 396 427 462 476 549 561 612 671 693 714 732 748 854 924 1037 1071 1098 1122 1281 1309 1342 1386 1428 1683 1708 2013 2074 2142 2196 2244 2562 2618 2684 2772 3111 3366 3843 3927 4026 4148 4284 4697 5124 5236 6039 6222 6732 7259 7686 7854 8052 9333 9394 11407 11781 12078 12444 14091 14518 15372 15708 18666 18788 21777 22814 23562 24156 28182 29036 34221 37332 42273 43554 45628 47124 56364 65331 68442 79849 84546 87108 102663 130662 136884 159698 169092 205326 239547 261324 319396 410652 479094 718641 958188 1437282 2874564