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57330413 = 727729567
BaseRepresentation
bin1101101010110…
…0101011101101
310222212200112122
43122230223231
5104134033123
65404442325
71264205030
oct332545355
9128780478
1057330413
112a3a8208
12172493a5
13bb53b2a
147885017
155076bc8
hex36acaed

57330413 has 8 divisors (see below), whose sum is σ = 65759232. Its totient is φ = 48961296.

The previous prime is 57330407. The next prime is 57330451. The reversal of 57330413 is 31403375.

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

It is a cyclic number.

It is not a de Polignac number, because 57330413 - 24 = 57330397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57330313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12845 + ... + 16722.

It is an arithmetic number, because the mean of its divisors is an integer number (8219904).

Almost surely, 257330413 is an apocalyptic number.

It is an amenable number.

57330413 is a deficient number, since it is larger than the sum of its proper divisors (8428819).

57330413 is a wasteful number, since it uses less digits than its factorization.

57330413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29851.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 57330413 is about 7571.6849511849. The cubic root of 57330413 is about 385.5923035724.

Adding to 57330413 its reverse (31403375), we get a palindrome (88733788).

The spelling of 57330413 in words is "fifty-seven million, three hundred thirty thousand, four hundred thirteen".

Divisors: 1 7 277 1939 29567 206969 8190059 57330413