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99999053 = 7211185527
BaseRepresentation
bin1011111010111…
…01110101001101
320222011110220122
411331131311031
5201044432203
613531154325
72322656300
oct575356515
9228143818
1099999053
11514a0850
12295a59a5
131794324b
14d3d0b37
158ba4538
hex5f5dd4d

99999053 has 12 divisors (see below), whose sum is σ = 126901152. Its totient is φ = 77920920.

The previous prime is 99999043. The next prime is 99999073. The reversal of 99999053 is 35099999.

It is not a de Polignac number, because 99999053 - 28 = 99998797 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99998986 and 99999004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92225 + ... + 93302.

It is an arithmetic number, because the mean of its divisors is an integer number (10575096).

Almost surely, 299999053 is an apocalyptic number.

It is an amenable number.

99999053 is a deficient number, since it is larger than the sum of its proper divisors (26902099).

99999053 is a wasteful number, since it uses less digits than its factorization.

99999053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185552 (or 185545 counting only the distinct ones).

The product of its (nonzero) digits is 885735, while the sum is 53.

The square root of 99999053 is about 9999.9526498879. The cubic root of 99999053 is about 464.1574181618.

The spelling of 99999053 in words is "ninety-nine million, nine hundred ninety-nine thousand, fifty-three".

Divisors: 1 7 11 49 77 539 185527 1298689 2040797 9090823 14285579 99999053