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100902069 = 3211211341
BaseRepresentation
bin1100000001110…
…10010010110101
321000212100121200
412000322102311
5201312331234
614002403113
72333440062
oct600722265
9230770550
10100902069
1151a58244
1229960499
1317b9b288
14d587c69
158cd1d99
hex603a4b5

100902069 has 6 divisors (see below), whose sum is σ = 145747446. Its totient is φ = 67268040.

The previous prime is 100902047. The next prime is 100902073. The reversal of 100902069 is 960209001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 100761444 + 140625 = 10038^2 + 375^2 .

It is not a de Polignac number, because 100902069 - 28 = 100901813 is a prime.

It is a super-2 number, since 2×1009020692 = 20362455056961522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100902029) 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, 5605662 + ... + 5605679.

It is an arithmetic number, because the mean of its divisors is an integer number (24291241).

Almost surely, 2100902069 is an apocalyptic number.

It is an amenable number.

100902069 is a deficient number, since it is larger than the sum of its proper divisors (44845377).

100902069 is a wasteful number, since it uses less digits than its factorization.

100902069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211347 (or 11211344 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 100902069 is about 10045.0021901441. The cubic root of 100902069 is about 465.5503854074.

The spelling of 100902069 in words is "one hundred million, nine hundred two thousand, sixty-nine".

Divisors: 1 3 9 11211341 33634023 100902069