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57920898 = 2371379069
BaseRepresentation
bin1101110011110…
…0110110000010
311000222200112110
43130330312002
5104311432043
65425240150
71302214410
oct334746602
9130880473
1057920898
112a770912
1217493056
13bccc829
14799a2b0
155141b33
hex373cd82

57920898 has 16 divisors (see below), whose sum is σ = 132390720. Its totient is φ = 16548816.

The previous prime is 57920881. The next prime is 57920959. The reversal of 57920898 is 89802975.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689493 + ... + 689576.

It is an arithmetic number, because the mean of its divisors is an integer number (8274420).

Almost surely, 257920898 is an apocalyptic number.

57920898 is an abundant number, since it is smaller than the sum of its proper divisors (74469822).

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

57920898 is a wasteful number, since it uses less digits than its factorization.

57920898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379081.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 57920898 is about 7610.5780332377. The cubic root of 57920898 is about 386.9116103914.

The spelling of 57920898 in words is "fifty-seven million, nine hundred twenty thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 1379069 2758138 4137207 8274414 9653483 19306966 28960449 57920898