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100208272 = 2440915313
BaseRepresentation
bin1011111100100…
…00111010010000
320222120002220111
411332100322100
5201123131042
613535451104
72324520253
oct576207220
9228502814
10100208272
1151623a5a
1229686a94
13179b7548
14d44709a
158be6517
hex5f90e90

100208272 has 20 divisors (see below), whose sum is σ = 194640940. Its totient is φ = 49978368.

The previous prime is 100208209. The next prime is 100208279. The reversal of 100208272 is 272802001.

It can be written as a sum of positive squares in 2 ways, for example, as 35952016 + 64256256 = 5996^2 + 8016^2 .

It is not an unprimeable number, because it can be changed into a prime (100208279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113 + ... + 14200.

It is an arithmetic number, because the mean of its divisors is an integer number (9732047).

Almost surely, 2100208272 is an apocalyptic number.

It is an amenable number.

100208272 is a deficient number, since it is larger than the sum of its proper divisors (94432668).

100208272 is a wasteful number, since it uses less digits than its factorization.

100208272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15730 (or 15724 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 100208272 is about 10010.4081834858. The cubic root of 100208272 is about 464.4808975727.

The spelling of 100208272 in words is "one hundred million, two hundred eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 409 818 1636 3272 6544 15313 30626 61252 122504 245008 6263017 12526034 25052068 50104136 100208272