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100092785 = 5132118453
BaseRepresentation
bin1011111011101…
…00101101110001
320222100020111012
411331310231301
5201110432120
613533200305
72323526462
oct575645561
9228306435
10100092785
1151555211
1229630095
1317976b00
14d416d69
158bc21c5
hex5f74b71

100092785 has 12 divisors (see below), whose sum is σ = 130062492. Its totient is φ = 73914048.

The previous prime is 100092739. The next prime is 100092823. The reversal of 100092785 is 587290001.

It can be written as a sum of positive squares in 6 ways, for example, as 48497296 + 51595489 = 6964^2 + 7183^2 .

It is not a de Polignac number, because 100092785 - 26 = 100092721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58382 + ... + 60071.

It is an arithmetic number, because the mean of its divisors is an integer number (10838541).

Almost surely, 2100092785 is an apocalyptic number.

It is an amenable number.

100092785 is a deficient number, since it is larger than the sum of its proper divisors (29969707).

100092785 is a wasteful number, since it uses less digits than its factorization.

100092785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118484 (or 118471 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 100092785 is about 10004.6381743669. The cubic root of 100092785 is about 464.3023955911.

The spelling of 100092785 in words is "one hundred million, ninety-two thousand, seven hundred eighty-five".

Divisors: 1 5 13 65 169 845 118453 592265 1539889 7699445 20018557 100092785