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57557098 = 2106926921
BaseRepresentation
bin1101101110010…
…0000001101010
311000022012111101
43123210001222
5104213311343
65413352014
71266140644
oct333440152
9130265441
1057557098
112a542555
121733860a
13bc03071
147903894
1550bde4d
hex36e406a

57557098 has 8 divisors (see below), whose sum is σ = 86419620. Its totient is φ = 28750560.

The previous prime is 57557057. The next prime is 57557107. The reversal of 57557098 is 89075575.

It can be written as a sum of positive squares in 2 ways, for example, as 50936769 + 6620329 = 7137^2 + 2573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11323 + ... + 15598.

Almost surely, 257557098 is an apocalyptic number.

57557098 is a deficient number, since it is larger than the sum of its proper divisors (28862522).

57557098 is a wasteful number, since it uses less digits than its factorization.

57557098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27992.

The product of its (nonzero) digits is 441000, while the sum is 46.

The square root of 57557098 is about 7586.6394404901. The cubic root of 57557098 is about 386.0998470974.

The spelling of 57557098 in words is "fifty-seven million, five hundred fifty-seven thousand, ninety-eight".

Divisors: 1 2 1069 2138 26921 53842 28778549 57557098