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57228898 = 2118124229
BaseRepresentation
bin1101101001001…
…1111001100010
310222200112021211
43122103321202
5104122311043
65402340334
71263303046
oct332237142
9128615254
1057228898
112a338a11
12171ba6aa
13bb1986c
14785a026
155056a9d
hex3693e62

57228898 has 8 divisors (see below), whose sum is σ = 85919580. Its totient is φ = 28589040.

The previous prime is 57228889. The next prime is 57228917. The reversal of 57228898 is 89882275.

It can be written as a sum of positive squares in 2 ways, for example, as 57198969 + 29929 = 7563^2 + 173^2 .

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, 9753 + ... + 14476.

Almost surely, 257228898 is an apocalyptic number.

57228898 is a deficient number, since it is larger than the sum of its proper divisors (28690682).

57228898 is a wasteful number, since it uses less digits than its factorization.

57228898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25412.

The product of its digits is 645120, while the sum is 49.

The square root of 57228898 is about 7564.9783872791. The cubic root of 57228898 is about 385.3645795939.

The spelling of 57228898 in words is "fifty-seven million, two hundred twenty-eight thousand, eight hundred ninety-eight".

Divisors: 1 2 1181 2362 24229 48458 28614449 57228898