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57552480 = 25325172351
BaseRepresentation
bin1101101110001…
…0111001100000
311000021222011100
43123202321200
5104213134410
65413314400
71266121326
oct333427140
9130258140
1057552480
112a53a037
1217335a00
13bc00c2b
147901d16
1550bc8c0
hex36e2e60

57552480 has 144 divisors (see below), whose sum is σ = 208039104. Its totient is φ = 14438400.

The previous prime is 57552457. The next prime is 57552491. The reversal of 57552480 is 8425575.

It is a happy number.

57552480 is a `hidden beast` number, since 57 + 5 + 524 + 80 = 666.

57552480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23305 + ... + 25655.

It is an arithmetic number, because the mean of its divisors is an integer number (1444716).

Almost surely, 257552480 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 57552480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104019552).

57552480 is an abundant number, since it is smaller than the sum of its proper divisors (150486624).

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

57552480 is a wasteful number, since it uses less digits than its factorization.

57552480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 57552480 is about 7586.3350835565. The cubic root of 57552480 is about 386.0895207905.

The spelling of 57552480 in words is "fifty-seven million, five hundred fifty-two thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 68 72 80 85 90 96 102 120 136 144 153 160 170 180 204 240 255 272 288 306 340 360 408 480 510 544 612 680 720 765 816 1020 1224 1360 1440 1530 1632 2040 2351 2448 2720 3060 4080 4702 4896 6120 7053 8160 9404 11755 12240 14106 18808 21159 23510 24480 28212 35265 37616 39967 42318 47020 56424 70530 75232 79934 84636 94040 105795 112848 119901 141060 159868 169272 188080 199835 211590 225696 239802 282120 319736 338544 359703 376160 399670 423180 479604 564240 599505 639472 677088 719406 799340 846360 959208 1128480 1199010 1278944 1438812 1598680 1692720 1798515 1918416 2398020 2877624 3197360 3385440 3597030 3836832 4796040 5755248 6394720 7194060 9592080 11510496 14388120 19184160 28776240 57552480