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99699536 = 2419241421
BaseRepresentation
bin1011111000101…
…00101101010000
320221121021001102
411330110231100
5201010341121
613520523532
72320301126
oct574245520
9227537042
1099699536
1151306812
12294805a8
1317869b11
14d353916
158b4590b
hex5f14b50

99699536 has 60 divisors (see below), whose sum is σ = 209338164. Its totient is φ = 45964800.

The previous prime is 99699529. The next prime is 99699541. The reversal of 99699536 is 63599699.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 97614400 = 1444^2 + 9880^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 236606 + ... + 237026.

Almost surely, 299699536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99699536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104669082).

99699536 is an abundant number, since it is smaller than the sum of its proper divisors (109638628).

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

99699536 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (99699535) it forms an eRAP, since the sums of their prime factors are consecutive (507 and 508).

99699536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 483 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 56.

The square root of 99699536 is about 9984.9654981878. The cubic root of 99699536 is about 463.6935402043.

The spelling of 99699536 in words is "ninety-nine million, six hundred ninety-nine thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16 19 38 41 76 82 152 164 304 328 361 421 656 722 779 842 1444 1558 1684 2888 3116 3368 5776 6232 6736 7999 12464 14801 15998 17261 29602 31996 34522 59204 63992 69044 118408 127984 138088 151981 236816 276176 303962 327959 607924 655918 1215848 1311836 2431696 2623672 5247344 6231221 12462442 24924884 49849768 99699536