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100164997 = 259338629
BaseRepresentation
bin1011111100001…
…10010110000101
320222110220112201
411332012112011
5201120234442
613534514501
72324250142
oct576062605
9228426481
10100164997
11515a4499
1229665a31
13179a093a
14d4353c9
158bd87b7
hex5f86585

100164997 has 4 divisors (see below), whose sum is σ = 100206220. Its totient is φ = 100123776.

The previous prime is 100164991. The next prime is 100165007. The reversal of 100164997 is 799461001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799461001 = 3089258809.

It can be written as a sum of positive squares in 2 ways, for example, as 25411681 + 74753316 = 5041^2 + 8646^2 .

It is a cyclic number.

It is not a de Polignac number, because 100164997 - 215 = 100132229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100164991) 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, 16722 + ... + 21907.

It is an arithmetic number, because the mean of its divisors is an integer number (25051555).

Almost surely, 2100164997 is an apocalyptic number.

It is an amenable number.

100164997 is a deficient number, since it is larger than the sum of its proper divisors (41223).

100164997 is an equidigital number, since it uses as much as digits as its factorization.

100164997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41222.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 100164997 is about 10008.2464498033. The cubic root of 100164997 is about 464.4140258311.

The spelling of 100164997 in words is "one hundred million, one hundred sixty-four thousand, nine hundred ninety-seven".

Divisors: 1 2593 38629 100164997