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57418946 = 2132208421
BaseRepresentation
bin1101101100001…
…0010011000010
311000001011222122
43123002103002
5104144401241
65410404242
71265024114
oct333022302
9130034878
1057418946
112a458782
1217290682
13bb85210
1478a93b4
15509304b
hex36c24c2

57418946 has 8 divisors (see below), whose sum is σ = 92753724. Its totient is φ = 26501040.

The previous prime is 57418937. The next prime is 57418957. The reversal of 57418946 is 64981475.

It can be written as a sum of positive squares in 2 ways, for example, as 55428025 + 1990921 = 7445^2 + 1411^2 .

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

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 57418897 and 57418906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104185 + ... + 1104236.

Almost surely, 257418946 is an apocalyptic number.

57418946 is a deficient number, since it is larger than the sum of its proper divisors (35334778).

57418946 is a wasteful number, since it uses less digits than its factorization.

57418946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208436.

The product of its digits is 241920, while the sum is 44.

The square root of 57418946 is about 7577.5290167706. The cubic root of 57418946 is about 385.7906862703.

The spelling of 57418946 in words is "fifty-seven million, four hundred eighteen thousand, nine hundred forty-six".

Divisors: 1 2 13 26 2208421 4416842 28709473 57418946