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57103242 = 2374133161
BaseRepresentation
bin1101100111010…
…1001110001010
310222110010220220
43121311032022
5104104300432
65355530510
71262240520
oct331651612
9128403826
1057103242
112a262569
1217159a36
13baa4601
147826310
15502e72c
hex367538a

57103242 has 32 divisors (see below), whose sum is σ = 133709184. Its totient is φ = 15916800.

The previous prime is 57103237. The next prime is 57103243. The reversal of 57103242 is 24230175.

It is not an unprimeable number, because it can be changed into a prime (57103243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14859 + ... + 18302.

It is an arithmetic number, because the mean of its divisors is an integer number (4178412).

Almost surely, 257103242 is an apocalyptic number.

57103242 is an abundant number, since it is smaller than the sum of its proper divisors (76605942).

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

57103242 is a wasteful number, since it uses less digits than its factorization.

57103242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33214.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57103242 is about 7556.6687104835. The cubic root of 57103242 is about 385.0823279271.

The spelling of 57103242 in words is "fifty-seven million, one hundred three thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 41 42 82 123 246 287 574 861 1722 33161 66322 99483 198966 232127 464254 696381 1359601 1392762 2719202 4078803 8157606 9517207 19034414 28551621 57103242