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3031056 = 243273197
BaseRepresentation
bin1011100100000000010000
312200222211100
423210000100
51233443211
6144544400
734522620
oct13440020
95628740
103031056
111790306
121022100
13821832
1458c880
153ed156
hex2e4010

3031056 has 120 divisors (see below), whose sum is σ = 10110464. Its totient is φ = 829440.

The previous prime is 3031043. The next prime is 3031069. The reversal of 3031056 is 6501303.

It is an interprime number because it is at equal distance from previous prime (3031043) and next prime (3031069).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31200 + ... + 31296.

Almost surely, 23031056 is an apocalyptic number.

3031056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3031056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5055232).

3031056 is an abundant number, since it is smaller than the sum of its proper divisors (7079408).

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

3031056 is a wasteful number, since it uses less digits than its factorization.

3031056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 3031056 is about 1740.9928202035. The cubic root of 3031056 is about 144.7209217902.

Adding to 3031056 its reverse (6501303), we get a palindrome (9532359).

The spelling of 3031056 in words is "three million, thirty-one thousand, fifty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 36 42 48 56 62 63 72 84 93 97 112 124 126 144 168 186 194 217 248 252 279 291 336 372 388 434 496 504 558 582 651 679 744 776 868 873 1008 1116 1164 1302 1358 1488 1552 1736 1746 1953 2037 2232 2328 2604 2716 3007 3472 3492 3906 4074 4464 4656 5208 5432 6014 6111 6984 7812 8148 9021 10416 10864 12028 12222 13968 15624 16296 18042 21049 24056 24444 27063 31248 32592 36084 42098 48112 48888 54126 63147 72168 84196 97776 108252 126294 144336 168392 189441 216504 252588 336784 378882 433008 505176 757764 1010352 1515528 3031056