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99953087 = 13107181397
BaseRepresentation
bin1011111010100…
…10100110111111
320222002010212012
411331102212333
5201041444322
613530201435
72322405263
oct575224677
9228063765
1099953087
115146a263
122958327b
1317928350
14d3bc0a3
158b95ae2
hex5f529bf

99953087 has 16 divisors (see below), whose sum is σ = 109523232. Its totient is φ = 90668160.

The previous prime is 99953069. The next prime is 99953099. The reversal of 99953087 is 78035999.

It is a cyclic number.

It is not a de Polignac number, because 99953087 - 26 = 99953023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99953017) 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, 251573 + ... + 251969.

It is an arithmetic number, because the mean of its divisors is an integer number (6845202).

Almost surely, 299953087 is an apocalyptic number.

99953087 is a deficient number, since it is larger than the sum of its proper divisors (9570145).

99953087 is a wasteful number, since it uses less digits than its factorization.

99953087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 99953087 is about 9997.6540748318. The cubic root of 99953087 is about 464.0862883890.

The spelling of 99953087 in words is "ninety-nine million, nine hundred fifty-three thousand, eighty-seven".

Divisors: 1 13 107 181 397 1391 2353 5161 19367 42479 71857 251771 552227 934141 7688699 99953087