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56746044 = 2232892199
BaseRepresentation
bin1101100001111…
…0000000111100
310221202222221100
43120132000330
5104011333134
65344133100
71256222235
oct330360074
9127688840
1056746044
112a039163
1217007190
13b9aab54
14777208c
154ead999
hex361e03c

56746044 has 54 divisors (see below), whose sum is σ = 145800200. Its totient is φ = 18608832.

The previous prime is 56746033. The next prime is 56746057. The reversal of 56746044 is 44064765.

It is a super-2 number, since 2×567460442 = 6440227019299872, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 285057 + ... + 285255.

Almost surely, 256746044 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 56746044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72900100).

56746044 is an abundant number, since it is smaller than the sum of its proper divisors (89054156).

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

56746044 is a wasteful number, since it uses less digits than its factorization.

56746044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 56746044 is about 7532.9970131416. The cubic root of 56746044 is about 384.2777125187.

The spelling of 56746044 in words is "fifty-six million, seven hundred forty-six thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 89 178 199 267 356 398 534 597 796 801 1068 1194 1602 1791 2388 3204 3582 7164 7921 15842 17711 23763 31684 35422 47526 53133 70844 71289 95052 106266 142578 159399 212532 285156 318798 637596 1576279 3152558 4728837 6305116 9457674 14186511 18915348 28373022 56746044