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82920299 = 7211153841
BaseRepresentation
bin1001111000101…
…00001101101011
312210000210021012
410330110031223
5132211422144
612121134135
72024545100
oct474241553
9183023235
1082920299
1142896280
122392a34b
1314243687
14b026aa7
15742de9e
hex4f1436b

82920299 has 12 divisors (see below), whose sum is σ = 105227928. Its totient is φ = 64612800.

The previous prime is 82920287. The next prime is 82920307. The reversal of 82920299 is 99202928.

It is a happy number.

It is not a de Polignac number, because 82920299 - 24 = 82920283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82920269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76382 + ... + 77459.

It is an arithmetic number, because the mean of its divisors is an integer number (8768994).

Almost surely, 282920299 is an apocalyptic number.

82920299 is a deficient number, since it is larger than the sum of its proper divisors (22307629).

82920299 is a wasteful number, since it uses less digits than its factorization.

82920299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153866 (or 153859 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 82920299 is about 9106.0583679219. The cubic root of 82920299 is about 436.0673993804.

The spelling of 82920299 in words is "eighty-two million, nine hundred twenty thousand, two hundred ninety-nine".

Divisors: 1 7 11 49 77 539 153841 1076887 1692251 7538209 11845757 82920299