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100171057 = 714310151
BaseRepresentation
bin1011111100001…
…11110100110001
320222111012212011
411332013310301
5201120433212
613535002521
72324303620
oct576076461
9228435764
10100171057
11515a8aa8
1229669441
13179a361c
14d4376b7
158bda4a7
hex5f87d31

100171057 has 4 divisors (see below), whose sum is σ = 114481216. Its totient is φ = 85860900.

The previous prime is 100171039. The next prime is 100171063. The reversal of 100171057 is 750171001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100171057 - 211 = 100169009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100171067) 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, 7155069 + ... + 7155082.

It is an arithmetic number, because the mean of its divisors is an integer number (28620304).

Almost surely, 2100171057 is an apocalyptic number.

It is an amenable number.

100171057 is a deficient number, since it is larger than the sum of its proper divisors (14310159).

100171057 is an equidigital number, since it uses as much as digits as its factorization.

100171057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14310158.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 100171057 is about 10008.5491955628. The cubic root of 100171057 is about 464.4233913525.

The spelling of 100171057 in words is "one hundred million, one hundred seventy-one thousand, fifty-seven".

Divisors: 1 7 14310151 100171057