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99979308 = 2232111319421
BaseRepresentation
bin1011111010110…
…01000000101100
320222010110211100
411331121000230
5201043314213
613530523100
72322544602
oct575310054
9228113740
1099979308
1151487a30
1229596490
1317937270
14d3c7872
158b9d773
hex5f5902c

99979308 has 72 divisors (see below), whose sum is σ = 296923536. Its totient is φ = 27964800.

The previous prime is 99979303. The next prime is 99979333. The reversal of 99979308 is 80397999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99979303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4563 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (4123938).

Almost surely, 299979308 is an apocalyptic number.

It is an amenable number.

99979308 is an abundant number, since it is smaller than the sum of its proper divisors (196944228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99979308 is a wasteful number, since it uses less digits than its factorization.

99979308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19455 (or 19450 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 99979308 is about 9998.9653464746. The cubic root of 99979308 is about 464.1268665675.

The spelling of 99979308 in words is "ninety-nine million, nine hundred seventy-nine thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 78 99 117 132 143 156 198 234 286 396 429 468 572 858 1287 1716 2574 5148 19421 38842 58263 77684 116526 174789 213631 233052 252473 349578 427262 504946 640893 699156 757419 854524 1009892 1281786 1514838 1922679 2272257 2563572 2777203 3029676 3845358 4544514 5554406 7690716 8331609 9089028 11108812 16663218 24994827 33326436 49989654 99979308