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57420652 = 2243477103
BaseRepresentation
bin1101101100001…
…0101101101100
311000001021022211
43123002231230
5104144430102
65410420204
71265032102
oct333025554
9130037284
1057420652
112a459a93
1217291664
13bb85c23
1478a9c72
1550937d7
hex36c2b6c

57420652 has 24 divisors (see below), whose sum is σ = 105025536. Its totient is φ = 27442128.

The previous prime is 57420631. The next prime is 57420653. The reversal of 57420652 is 25602475.

It is a super-2 number, since 2×574206522 = 6594262552210208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57420653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4533 + ... + 11635.

It is an arithmetic number, because the mean of its divisors is an integer number (4376064).

Almost surely, 257420652 is an apocalyptic number.

It is an amenable number.

57420652 is a deficient number, since it is larger than the sum of its proper divisors (47604884).

57420652 is a wasteful number, since it uses less digits than its factorization.

57420652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197 (or 7195 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 57420652 is about 7577.6415856122. The cubic root of 57420652 is about 385.7945070324.

The spelling of 57420652 in words is "fifty-seven million, four hundred twenty thousand, six hundred fifty-two".

Divisors: 1 2 4 43 47 86 94 172 188 2021 4042 7103 8084 14206 28412 305429 333841 610858 667682 1221716 1335364 14355163 28710326 57420652