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56945574 = 23273161239
BaseRepresentation
bin1101100100111…
…0101110100110
310222011010122100
43121032232212
5104034224244
65352312530
71261013040
oct331165646
9128133570
1056945574
112a165064
12170a2746
13ba4a90a
1477c4a90
154eecb69
hex364eba6

56945574 has 96 divisors (see below), whose sum is σ = 148561920. Its totient is φ = 15422400.

The previous prime is 56945533. The next prime is 56945579. The reversal of 56945574 is 47554965.

56945574 is a `hidden beast` number, since 5 + 6 + 94 + 557 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56945579) 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, 238147 + ... + 238385.

It is an arithmetic number, because the mean of its divisors is an integer number (1547520).

Almost surely, 256945574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56945574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74280960).

56945574 is an abundant number, since it is smaller than the sum of its proper divisors (91616346).

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

56945574 is a wasteful number, since it uses less digits than its factorization.

56945574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 343 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 56945574 is about 7546.2291245363. The cubic root of 56945574 is about 384.7275837566.

The spelling of 56945574 in words is "fifty-six million, nine hundred forty-five thousand, five hundred seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 31 42 61 62 63 93 122 126 183 186 217 239 279 366 427 434 478 549 558 651 717 854 1098 1281 1302 1434 1673 1891 1953 2151 2562 3346 3782 3843 3906 4302 5019 5673 7409 7686 10038 11346 13237 14579 14818 15057 17019 22227 26474 29158 30114 34038 39711 43737 44454 51863 66681 79422 87474 102053 103726 119133 131211 133362 155589 204106 238266 262422 306159 311178 451949 466767 612318 903898 918477 933534 1355847 1836954 2711694 3163643 4067541 6327286 8135082 9490929 18981858 28472787 56945574