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57151330 = 255715133
BaseRepresentation
bin1101101000000…
…0111101100010
310222112120212221
43122000331202
5104112320310
65400541254
71262530645
oct332007542
9128476787
1057151330
112a295705
121718182a
13bac0472
147839a5c
15503dada
hex3680f62

57151330 has 8 divisors (see below), whose sum is σ = 102872412. Its totient is φ = 22860528.

The previous prime is 57151319. The next prime is 57151337. The reversal of 57151330 is 3315175.

It can be written as a sum of positive squares in 2 ways, for example, as 54007801 + 3143529 = 7349^2 + 1773^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 57151295 and 57151304.

It is not an unprimeable number, because it can be changed into a prime (57151337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857557 + ... + 2857576.

Almost surely, 257151330 is an apocalyptic number.

57151330 is a deficient number, since it is larger than the sum of its proper divisors (45721082).

57151330 is a wasteful number, since it uses less digits than its factorization.

57151330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715140.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 57151330 is about 7559.8498662341. The cubic root of 57151330 is about 385.1903932643.

The spelling of 57151330 in words is "fifty-seven million, one hundred fifty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 5715133 11430266 28575665 57151330