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99205930 = 2553187181
BaseRepresentation
bin1011110100111…
…00001100101010
320220200011221201
411322130030222
5200344042210
613502154414
72313144055
oct572341452
9226604851
1099205930
1150aa997a
1229282a0a
1317726245
14d265a9c
158a9953a
hex5e9c32a

99205930 has 16 divisors (see below), whose sum is σ = 181940904. Its totient is φ = 38933440.

The previous prime is 99205927. The next prime is 99205961. The reversal of 99205930 is 3950299.

It can be written as a sum of positive squares in 4 ways, for example, as 63313849 + 35892081 = 7957^2 + 5991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99205930.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93061 + ... + 94120.

Almost surely, 299205930 is an apocalyptic number.

99205930 is a deficient number, since it is larger than the sum of its proper divisors (82734974).

99205930 is a wasteful number, since it uses less digits than its factorization.

99205930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187241.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 99205930 is about 9960.2173671060. The cubic root of 99205930 is about 462.9270348565.

The spelling of 99205930 in words is "ninety-nine million, two hundred five thousand, nine hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 187181 374362 935905 1871810 9920593 19841186 49602965 99205930