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99695660 = 225191671571
BaseRepresentation
bin1011111000100…
…11110000101100
320221121001201212
411330103300230
5201010230120
613520453552
72320253621
oct574236054
9227531655
1099695660
1151303909
122947a2b8
131786811c
14d352348
158b446c5
hex5f13c2c

99695660 has 48 divisors (see below), whose sum is σ = 221840640. Its totient is φ = 37529280.

The previous prime is 99695653. The next prime is 99695669. The reversal of 99695660 is 6659699.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99695599 and 99695608.

It is not an unprimeable number, because it can be changed into a prime (99695669) 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, 62675 + ... + 64245.

It is an arithmetic number, because the mean of its divisors is an integer number (4621680).

Almost surely, 299695660 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 99695660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110920320).

99695660 is an abundant number, since it is smaller than the sum of its proper divisors (122144980).

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

99695660 is a wasteful number, since it uses less digits than its factorization.

99695660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 50.

The square root of 99695660 is about 9984.7714044939. The cubic root of 99695660 is about 463.6875311511.

The spelling of 99695660 in words is "ninety-nine million, six hundred ninety-five thousand, six hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 167 190 334 380 668 835 1571 1670 3142 3173 3340 6284 6346 7855 12692 15710 15865 29849 31420 31730 59698 63460 119396 149245 262357 298490 524714 596980 1049428 1311785 2623570 4984783 5247140 9969566 19939132 24923915 49847830 99695660