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99870793 = 1141229967
BaseRepresentation
bin1011111001111…
…10100001001001
320221220221222021
411330332201021
5201031331133
613524324441
72321613331
oct574764111
9227827867
1099870793
1151413450
1229543721
13178c9a59
14d39a0c1
158b7b52d
hex5f3e849

99870793 has 16 divisors (see below), whose sum is σ = 112210560. Its totient is φ = 88099200.

The previous prime is 99870787. The next prime is 99870833. The reversal of 99870793 is 39707899.

It is a cyclic number.

It is not a de Polignac number, because 99870793 - 213 = 99862601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99870793.

It is not an unprimeable number, because it can be changed into a prime (99870703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102796 + ... + 103762.

It is an arithmetic number, because the mean of its divisors is an integer number (7013160).

Almost surely, 299870793 is an apocalyptic number.

It is an amenable number.

99870793 is a deficient number, since it is larger than the sum of its proper divisors (12339767).

99870793 is a wasteful number, since it uses less digits than its factorization.

99870793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 99870793 is about 9993.5375618447. The cubic root of 99870793 is about 463.9588886113.

The spelling of 99870793 in words is "ninety-nine million, eight hundred seventy thousand, seven hundred ninety-three".

Divisors: 1 11 41 229 451 967 2519 9389 10637 39647 103279 221443 436117 2435873 9079163 99870793