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57930201 = 337243787
BaseRepresentation
bin1101110011111…
…1000111011001
311001000011022000
43130333013121
5104312231301
65425351213
71302253500
oct334770731
9131004260
1057930201
112a7778aa
1217498509
13c003b34
14799d837
155144786
hex373f1d9

57930201 has 24 divisors (see below), whose sum is σ = 99836640. Its totient is φ = 33102216.

The previous prime is 57930199. The next prime is 57930211. The reversal of 57930201 is 10203975.

It is not a de Polignac number, because 57930201 - 21 = 57930199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57930211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20571 + ... + 23216.

It is an arithmetic number, because the mean of its divisors is an integer number (4159860).

Almost surely, 257930201 is an apocalyptic number.

It is an amenable number.

57930201 is a deficient number, since it is larger than the sum of its proper divisors (41906439).

57930201 is a wasteful number, since it uses less digits than its factorization.

57930201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43810 (or 43797 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 57930201 is about 7611.1891974908. The cubic root of 57930201 is about 386.9323239631.

The spelling of 57930201 in words is "fifty-seven million, nine hundred thirty thousand, two hundred one".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 43787 131361 306509 394083 919527 1182249 2145563 2758581 6436689 8275743 19310067 57930201