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100949412 = 2238412451
BaseRepresentation
bin1100000010001…
…01110110100100
321000221202120010
412001011312210
5201320340122
614003410220
72334025104
oct601056644
9230852503
10100949412
1151a8a873
1229983970
1317bb69a5
14d59b204
158ce0e0c
hex6045da4

100949412 has 12 divisors (see below), whose sum is σ = 235548656. Its totient is φ = 33649800.

The previous prime is 100949371. The next prime is 100949419. The reversal of 100949412 is 214949001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 100949412.

It is not an unprimeable number, because it can be changed into a prime (100949419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206214 + ... + 4206237.

Almost surely, 2100949412 is an apocalyptic number.

100949412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100949412 is an abundant number, since it is smaller than the sum of its proper divisors (134599244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100949412 is a wasteful number, since it uses less digits than its factorization.

100949412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412458 (or 8412456 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 100949412 is about 10047.3584588189. The cubic root of 100949412 is about 465.6231857173.

The spelling of 100949412 in words is "one hundred million, nine hundred forty-nine thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 8412451 16824902 25237353 33649804 50474706 100949412