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57472416 = 253519389
BaseRepresentation
bin1101101100111…
…1010110100000
311000010220100000
43123033112200
5104203104131
65411500000
71265336031
oct333172640
9130126300
1057472416
112a494971
12172b7600
13bba3661
1478c0a88
1550a3ce6
hex36cf5a0

57472416 has 144 divisors (see below), whose sum is σ = 178869600. Its totient is φ = 18102528.

The previous prime is 57472411. The next prime is 57472477. The reversal of 57472416 is 61427475.

57472416 is a `hidden beast` number, since 574 + 72 + 4 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (57472411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147550 + ... + 147938.

It is an arithmetic number, because the mean of its divisors is an integer number (1242150).

Almost surely, 257472416 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 57472416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89434800).

57472416 is an abundant number, since it is smaller than the sum of its proper divisors (121397184).

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

57472416 is a wasteful number, since it uses less digits than its factorization.

57472416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 413 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 57472416 is about 7581.0563907677. The cubic root of 57472416 is about 385.9104018553.

The spelling of 57472416 in words is "fifty-seven million, four hundred seventy-two thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 72 76 81 96 108 114 144 152 162 171 216 228 243 288 304 324 342 389 432 456 486 513 608 648 684 778 864 912 972 1026 1167 1296 1368 1539 1556 1824 1944 2052 2334 2592 2736 3078 3112 3501 3888 4104 4617 4668 5472 6156 6224 7002 7391 7776 8208 9234 9336 10503 12312 12448 14004 14782 16416 18468 18672 21006 22173 24624 28008 29564 31509 36936 37344 42012 44346 49248 56016 59128 63018 66519 73872 84024 88692 94527 112032 118256 126036 133038 147744 168048 177384 189054 199557 236512 252072 266076 336096 354768 378108 399114 504144 532152 598671 709536 756216 798228 1008288 1064304 1197342 1512432 1596456 1796013 2128608 2394684 3024864 3192912 3592026 4789368 6385824 7184052 9578736 14368104 19157472 28736208 57472416