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84022992 = 2432583493
BaseRepresentation
bin1010000001000…
…01011011010000
312212002210212200
411000201123100
5133002213432
612200523200
72040116664
oct500413320
9185083780
1084022992
1143479799
1224180500
131453b561
14b2328a4
15759aa7c
hex50216d0

84022992 has 30 divisors (see below), whose sum is σ = 235148082. Its totient is φ = 28007616.

The previous prime is 84022973. The next prime is 84023039. The reversal of 84022992 is 29922048.

It can be written as a sum of positive squares in only one way, i.e., 55890576 + 28132416 = 7476^2 + 5304^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291603 + ... + 291890.

Almost surely, 284022992 is an apocalyptic number.

It is an amenable number.

84022992 is an abundant number, since it is smaller than the sum of its proper divisors (151125090).

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

84022992 is a wasteful number, since it uses less digits than its factorization.

84022992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583507 (or 583498 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 84022992 is about 9166.4056205254. The cubic root of 84022992 is about 437.9918682421.

It can be divided in two parts, 840 and 22992, that added together give a palindrome (23832).

The spelling of 84022992 in words is "eighty-four million, twenty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 583493 1166986 1750479 2333972 3500958 4667944 5251437 7001916 9335888 10502874 14003832 21005748 28007664 42011496 84022992