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57150402 = 2347202661
BaseRepresentation
bin1101101000000…
…0101111000010
310222112112121120
43122000233002
5104112303102
65400533110
71262525151
oct332005702
9128475546
1057150402
112a294a41
1217181196
13babcc0a
147839598
15503d6bc
hex3680bc2

57150402 has 16 divisors (see below), whose sum is σ = 116733312. Its totient is φ = 18644720.

The previous prime is 57150389. The next prime is 57150407. The reversal of 57150402 is 20405175.

It is not an unprimeable number, because it can be changed into a prime (57150407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101049 + ... + 101612.

It is an arithmetic number, because the mean of its divisors is an integer number (7295832).

Almost surely, 257150402 is an apocalyptic number.

57150402 is an abundant number, since it is smaller than the sum of its proper divisors (59582910).

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

57150402 is a wasteful number, since it uses less digits than its factorization.

57150402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202713.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 57150402 is about 7559.7884891047. The cubic root of 57150402 is about 385.1883083982.

Adding to 57150402 its reverse (20405175), we get a palindrome (77555577).

The spelling of 57150402 in words is "fifty-seven million, one hundred fifty thousand, four hundred two".

Divisors: 1 2 3 6 47 94 141 282 202661 405322 607983 1215966 9525067 19050134 28575201 57150402