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57520452 = 223111725633
BaseRepresentation
bin1101101101101…
…1000101000100
311000020100020010
43123123011010
5104211123302
65412510220
71265626053
oct333330504
9130210203
1057520452
112a517a70
121731b370
13bbbc492
1478d439a
1550b316c
hex36db144

57520452 has 48 divisors (see below), whose sum is σ = 155034432. Its totient is φ = 16404480.

The previous prime is 57520439. The next prime is 57520471. The reversal of 57520452 is 25402575.

57520452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 10573 + ... + 15060.

It is an arithmetic number, because the mean of its divisors is an integer number (3229884).

Almost surely, 257520452 is an apocalyptic number.

It is an amenable number.

57520452 is an abundant number, since it is smaller than the sum of its proper divisors (97513980).

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

57520452 is a wasteful number, since it uses less digits than its factorization.

57520452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25668 (or 25666 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 57520452 is about 7584.2238891003. The cubic root of 57520452 is about 386.0178877944.

The spelling of 57520452 in words is "fifty-seven million, five hundred twenty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 204 374 561 748 1122 2244 25633 51266 76899 102532 153798 281963 307596 435761 563926 845889 871522 1127852 1307283 1691778 1743044 2614566 3383556 4793371 5229132 9586742 14380113 19173484 28760226 57520452