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57270074 = 228635037
BaseRepresentation
bin1101101001110…
…1111100111010
310222202121202212
43122131330322
5104130120244
65403255122
71263534101
oct332357472
9128677685
1057270074
112a366944
121721a4a2
13bb32524
14786b038
155063d9e
hex369df3a

57270074 has 4 divisors (see below), whose sum is σ = 85905114. Its totient is φ = 28635036.

The previous prime is 57270019. The next prime is 57270077. The reversal of 57270074 is 47007275.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 13140625 = 6643^2 + 3625^2 .

It is a super-2 number, since 2×572700742 = 6559722751930952, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57270074.

It is not an unprimeable number, because it can be changed into a prime (57270077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14317517 + ... + 14317520.

Almost surely, 257270074 is an apocalyptic number.

57270074 is a deficient number, since it is larger than the sum of its proper divisors (28635040).

57270074 is a wasteful number, since it uses less digits than its factorization.

57270074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28635039.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 57270074 is about 7567.6993862071. The cubic root of 57270074 is about 385.4569802773.

The spelling of 57270074 in words is "fifty-seven million, two hundred seventy thousand, seventy-four".

Divisors: 1 2 28635037 57270074