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99919708 = 22719613079
BaseRepresentation
bin1011111010010…
…10011101011100
320222000110001221
411331022131130
5201034412313
613525343124
72322206050
oct575123534
9228013057
1099919708
1151447179
1229567aa4
13179160b5
14d3adc60
158b8ac8d
hex5f4a75c

99919708 has 48 divisors (see below), whose sum is σ = 213875200. Its totient is φ = 39890880.

The previous prime is 99919669. The next prime is 99919711. The reversal of 99919708 is 80791999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30913 + ... + 33991.

Almost surely, 299919708 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 99919708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106937600).

99919708 is an abundant number, since it is smaller than the sum of its proper divisors (113955492).

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

99919708 is a wasteful number, since it uses less digits than its factorization.

99919708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170 (or 3168 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 99919708 is about 9995.9845938257. The cubic root of 99919708 is about 464.0346226147.

The spelling of 99919708 in words is "ninety-nine million, nine hundred nineteen thousand, seven hundred eight".

Divisors: 1 2 4 7 14 19 28 38 61 76 122 133 244 266 427 532 854 1159 1708 2318 3079 4636 6158 8113 12316 16226 21553 32452 43106 58501 86212 117002 187819 234004 375638 409507 751276 819014 1314733 1638028 2629466 3568561 5258932 7137122 14274244 24979927 49959854 99919708