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100210057 = 232189433
BaseRepresentation
bin1011111100100…
…01010110001001
320222120012100121
411332101112021
5201123210212
613535503241
72324525413
oct576212611
9228505317
10100210057
1151625332
1229687b21
13179b82bc
14d4479b3
158be6d07
hex5f91589

100210057 has 6 divisors (see below), whose sum is σ = 104757002. Its totient is φ = 95852592.

The previous prime is 100210049. The next prime is 100210067. The reversal of 100210057 is 750012001.

It can be written as a sum of positive squares in only one way, i.e., 98724096 + 1485961 = 9936^2 + 1219^2 .

It is not a de Polignac number, because 100210057 - 23 = 100210049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100210057.

It is not an unprimeable number, because it can be changed into a prime (100210067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94188 + ... + 95245.

Almost surely, 2100210057 is an apocalyptic number.

It is an amenable number.

100210057 is a deficient number, since it is larger than the sum of its proper divisors (4546945).

100210057 is an equidigital number, since it uses as much as digits as its factorization.

100210057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189479 (or 189456 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 100210057 is about 10010.4973402923. The cubic root of 100210057 is about 464.4836554737.

Adding to 100210057 its reverse (750012001), we get a palindrome (850222058).

The spelling of 100210057 in words is "one hundred million, two hundred ten thousand, fifty-seven".

Divisors: 1 23 529 189433 4356959 100210057