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99724053 = 31113232457
BaseRepresentation
bin1011111000110…
…10101100010101
320221122111200110
411330122230111
5201012132203
613521233233
72320432452
oct574325425
9227574613
1099724053
1151323180
1229492819
1317878020
14d35c829
158b4cd03
hex5f1ab15

99724053 has 16 divisors (see below), whose sum is σ = 156211776. Its totient is φ = 55789440.

The previous prime is 99724043. The next prime is 99724087. The reversal of 99724053 is 35042799.

It is not a de Polignac number, because 99724053 - 212 = 99719957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99724043) 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, 115800 + ... + 116657.

It is an arithmetic number, because the mean of its divisors is an integer number (9763236).

Almost surely, 299724053 is an apocalyptic number.

It is an amenable number.

99724053 is a deficient number, since it is larger than the sum of its proper divisors (56487723).

99724053 is a wasteful number, since it uses less digits than its factorization.

99724053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232484.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 99724053 is about 9986.1931185012. The cubic root of 99724053 is about 463.7315458736.

The spelling of 99724053 in words is "ninety-nine million, seven hundred twenty-four thousand, fifty-three".

Divisors: 1 3 11 13 33 39 143 429 232457 697371 2557027 3021941 7671081 9065823 33241351 99724053