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57006201 = 373477823
BaseRepresentation
bin1101100101110…
…1100001111001
310222021012210210
43121131201321
5104043144301
65353501333
71261354560
oct331354171
9128235723
1057006201
112a1a666a
1217111849
13ba6c3a5
1477dcbd7
155010ad6
hex365d879

57006201 has 16 divisors (see below), whose sum is σ = 87128064. Its totient is φ = 32476944.

The previous prime is 57006197. The next prime is 57006239. The reversal of 57006201 is 10260075.

It is not a de Polignac number, because 57006201 - 22 = 57006197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (57006281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3376 + ... + 11198.

It is an arithmetic number, because the mean of its divisors is an integer number (5445504).

Almost surely, 257006201 is an apocalyptic number.

It is an amenable number.

57006201 is a deficient number, since it is larger than the sum of its proper divisors (30121863).

57006201 is a wasteful number, since it uses less digits than its factorization.

57006201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8180.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 57006201 is about 7550.2450953595. The cubic root of 57006201 is about 384.8640685020.

Adding to 57006201 its reverse (10260075), we get a palindrome (67266276).

The spelling of 57006201 in words is "fifty-seven million, six thousand, two hundred one".

Divisors: 1 3 7 21 347 1041 2429 7287 7823 23469 54761 164283 2714581 8143743 19002067 57006201