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99530865 = 32571072953
BaseRepresentation
bin1011110111010…
…11100001110001
320221021200200100
411323223201301
5200434441430
613513143013
72315666310
oct573534161
9227250610
1099530865
1151201015
12293baa69
131780b105
14d30c277
158b10960
hex5eeb871

99530865 has 48 divisors (see below), whose sum is σ = 199075968. Its totient is φ = 45059328.

The previous prime is 99530791. The next prime is 99530881. The reversal of 99530865 is 56803599.

It is not a de Polignac number, because 99530865 - 215 = 99498097 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 99530865.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32229 + ... + 35181.

It is an arithmetic number, because the mean of its divisors is an integer number (4147416).

Almost surely, 299530865 is an apocalyptic number.

It is an amenable number.

99530865 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

99530865 is a wasteful number, since it uses less digits than its factorization.

99530865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078 (or 3075 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 99530865 is about 9976.5156743224. The cubic root of 99530865 is about 463.4319014052.

The spelling of 99530865 in words is "ninety-nine million, five hundred thirty thousand, eight hundred sixty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 107 315 321 535 749 963 1605 2247 2953 3745 4815 6741 8859 11235 14765 20671 26577 33705 44295 62013 103355 132885 186039 310065 315971 930195 947913 1579855 2211797 2843739 4739565 6635391 11058985 14218695 19906173 33176955 99530865