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57825142 = 228912571
BaseRepresentation
bin1101110010010…
…1011101110110
311000210211011221
43130211131312
5104300401032
65423220554
71301335264
oct334453566
9130724157
1057825142
112a705981
121744775a
13bc9807b
147973434
155123597
hex3725776

57825142 has 4 divisors (see below), whose sum is σ = 86737716. Its totient is φ = 28912570.

The previous prime is 57825091. The next prime is 57825149. The reversal of 57825142 is 24152875.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 57825098 and 57825107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57825149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14456284 + ... + 14456287.

It is an arithmetic number, because the mean of its divisors is an integer number (21684429).

Almost surely, 257825142 is an apocalyptic number.

57825142 is a deficient number, since it is larger than the sum of its proper divisors (28912574).

57825142 is a wasteful number, since it uses less digits than its factorization.

57825142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28912573.

The product of its digits is 22400, while the sum is 34.

The square root of 57825142 is about 7604.2844502294. The cubic root of 57825142 is about 386.6982760855.

The spelling of 57825142 in words is "fifty-seven million, eight hundred twenty-five thousand, one hundred forty-two".

Divisors: 1 2 28912571 57825142