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2874690 = 23557132
BaseRepresentation
bin1010111101110101000010
312102001100000
422331311002
51213442230
6141340430
733302010
oct12756502
95361300
102874690
111693885
12b67716
13798600
1454b8b0
153bbb60
hex2bdd42

2874690 has 144 divisors (see below), whose sum is σ = 9592128. Its totient is φ = 606528.

The previous prime is 2874673. The next prime is 2874691. The reversal of 2874690 is 964782.

It is a super-2 number, since 2×28746902 = 16527685192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874691) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 221124 + ... + 221136.

It is an arithmetic number, because the mean of its divisors is an integer number (66612).

22874690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2874690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4796064).

2874690 is an abundant number, since it is smaller than the sum of its proper divisors (6717438).

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

2874690 is a wasteful number, since it uses less digits than its factorization.

2874690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2874690 is about 1695.4910793042. The cubic root of 2874690 is about 142.1882380914.

The spelling of 2874690 in words is "two million, eight hundred seventy-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 54 63 65 70 78 81 90 91 105 117 126 130 135 162 169 182 189 195 210 234 243 270 273 315 338 351 378 390 405 455 486 507 546 567 585 630 702 810 819 845 910 945 1014 1053 1134 1170 1183 1215 1365 1521 1638 1690 1701 1755 1890 2106 2366 2430 2457 2535 2730 2835 3042 3159 3402 3510 3549 4095 4563 4914 5070 5265 5670 5915 6318 7098 7371 7605 8190 8505 9126 10530 10647 11830 12285 13689 14742 15210 15795 17010 17745 21294 22113 22815 24570 27378 31590 31941 35490 36855 41067 44226 45630 53235 63882 68445 73710 82134 95823 106470 110565 136890 159705 191646 205335 221130 287469 319410 410670 479115 574938 958230 1437345 2874690