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99999964 = 22192635003
BaseRepresentation
bin1011111010111…
…10000011011100
320222011112011101
411331132003130
5201044444324
613531202444
72322662041
oct575360334
9228145141
1099999964
11514a14a9
12295a6424
131794379c
14d3d11c8
158ba4944
hex5f5e0dc

99999964 has 24 divisors (see below), whose sum is σ = 184947840. Its totient is φ = 47178864.

The previous prime is 99999959. The next prime is 99999971. The reversal of 99999964 is 46999999.

It can be divided in two parts, 9999996 and 4, that added together give a 7-th power (10000000 = 107).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 99999896 and 99999905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17487 + ... + 22489.

It is an arithmetic number, because the mean of its divisors is an integer number (7706160).

Almost surely, 299999964 is an apocalyptic number.

It is an amenable number.

99999964 is a deficient number, since it is larger than the sum of its proper divisors (84947876).

99999964 is a wasteful number, since it uses less digits than its factorization.

99999964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289 (or 5287 counting only the distinct ones).

The product of its digits is 12754584, while the sum is 64.

The square root of 99999964 is about 9999.9981999998. The cubic root of 99999964 is about 464.1588276622.

The spelling of 99999964 in words is "ninety-nine million, nine hundred ninety-nine thousand, nine hundred sixty-four".

Divisors: 1 2 4 19 38 76 263 526 1052 4997 5003 9994 10006 19988 20012 95057 190114 380228 1315789 2631578 5263156 24999991 49999982 99999964