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99944136 = 23321388113
BaseRepresentation
bin1011111010100…
…00011011001000
320222001200120200
411331100123020
5201041203021
613530052200
72322340215
oct575203310
9228050520
1099944136
1151463566
122957a060
1317924256
14d3b8b0c
158b93126
hex5f506c8

99944136 has 24 divisors (see below), whose sum is σ = 270682230. Its totient is φ = 33314688.

The previous prime is 99944129. The next prime is 99944147. The reversal of 99944136 is 63144999.

It can be written as a sum of positive squares in only one way, i.e., 70459236 + 29484900 = 8394^2 + 5430^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 99944091 and 99944100.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 693985 + ... + 694128.

Almost surely, 299944136 is an apocalyptic number.

It is an amenable number.

99944136 is an abundant number, since it is smaller than the sum of its proper divisors (170738094).

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

99944136 is a wasteful number, since it uses less digits than its factorization.

99944136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388125 (or 1388118 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 99944136 is about 9997.2064097927. The cubic root of 99944136 is about 464.0724346885.

The spelling of 99944136 in words is "ninety-nine million, nine hundred forty-four thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1388113 2776226 4164339 5552452 8328678 11104904 12493017 16657356 24986034 33314712 49972068 99944136