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57412141 = 291979729
BaseRepresentation
bin1101101100000…
…0101000101101
311000000211122121
43123000220231
5104144142031
65410312541
71264665223
oct333005055
9130024577
1057412141
112a453656
1217288751
13bb820a7
1478a6b13
155091011
hex36c0a2d

57412141 has 4 divisors (see below), whose sum is σ = 59391900. Its totient is φ = 55432384.

The previous prime is 57412109. The next prime is 57412151. The reversal of 57412141 is 14121475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41332041 + 16080100 = 6429^2 + 4010^2 .

It is a cyclic number.

It is not a de Polignac number, because 57412141 - 25 = 57412109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57412151) 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, 989836 + ... + 989893.

It is an arithmetic number, because the mean of its divisors is an integer number (14847975).

Almost surely, 257412141 is an apocalyptic number.

It is an amenable number.

57412141 is a deficient number, since it is larger than the sum of its proper divisors (1979759).

57412141 is a wasteful number, since it uses less digits than its factorization.

57412141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979758.

The product of its digits is 1120, while the sum is 25.

The square root of 57412141 is about 7577.0799784614. The cubic root of 57412141 is about 385.7754450214.

The spelling of 57412141 in words is "fifty-seven million, four hundred twelve thousand, one hundred forty-one".

Divisors: 1 29 1979729 57412141