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82979804 = 22137151423
BaseRepresentation
bin1001111001000…
…10101111011100
312210010210220002
410330202233130
5132220323204
612122313432
72025213425
oct474425734
9183123802
1082979804
1142926a56
1223958878
131426479b
14b04064c
15744191e
hex4f22bdc

82979804 has 12 divisors (see below), whose sum is σ = 146275584. Its totient is φ = 41186784.

The previous prime is 82979797. The next prime is 82979833. The reversal of 82979804 is 40897928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75164 + ... + 76259.

It is an arithmetic number, because the mean of its divisors is an integer number (12189632).

Almost surely, 282979804 is an apocalyptic number.

It is an amenable number.

82979804 is a deficient number, since it is larger than the sum of its proper divisors (63295780).

82979804 is a wasteful number, since it uses less digits than its factorization.

82979804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151564 (or 151562 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 82979804 is about 9109.3251122133. The cubic root of 82979804 is about 436.1716842035.

The spelling of 82979804 in words is "eighty-two million, nine hundred seventy-nine thousand, eight hundred four".

Divisors: 1 2 4 137 274 548 151423 302846 605692 20744951 41489902 82979804