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82969768 = 2371481603
BaseRepresentation
bin1001111001000…
…00010010101000
312210010022010101
410330200102220
5132220013033
612122155144
72025142240
oct474402250
9183108111
1082969768
114291a462
1223952ab4
131426004b
14b03ab20
15743d97d
hex4f204a8

82969768 has 16 divisors (see below), whose sum is σ = 177792480. Its totient is φ = 35558448.

The previous prime is 82969759. The next prime is 82969769. The reversal of 82969768 is 86796928.

It is not an unprimeable number, because it can be changed into a prime (82969769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740746 + ... + 740857.

It is an arithmetic number, because the mean of its divisors is an integer number (11112030).

Almost surely, 282969768 is an apocalyptic number.

It is an amenable number.

82969768 is an abundant number, since it is smaller than the sum of its proper divisors (94822712).

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

82969768 is a wasteful number, since it uses less digits than its factorization.

82969768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481616 (or 1481612 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 82969768 is about 9108.7742314759. The cubic root of 82969768 is about 436.1540992197.

The spelling of 82969768 in words is "eighty-two million, nine hundred sixty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 1481603 2963206 5926412 10371221 11852824 20742442 41484884 82969768