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84052280 = 23513161639
BaseRepresentation
bin1010000001010…
…00100100111000
312212011022001102
411000220210320
5133004133110
612201310532
72040301244
oct500504470
9185138042
1084052280
11434997a4
1224195448
131454b9a0
14b23d424
1575a45a5
hex5028938

84052280 has 32 divisors (see below), whose sum is σ = 203666400. Its totient is φ = 31034496.

The previous prime is 84052261. The next prime is 84052289. The reversal of 84052280 is 8225048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84052289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80300 + ... + 81339.

It is an arithmetic number, because the mean of its divisors is an integer number (6364575).

Almost surely, 284052280 is an apocalyptic number.

It is an amenable number.

84052280 is an abundant number, since it is smaller than the sum of its proper divisors (119614120).

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

84052280 is a wasteful number, since it uses less digits than its factorization.

84052280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161663 (or 161659 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 84052280 is about 9168.0030541007. The cubic root of 84052280 is about 438.0427527891.

The spelling of 84052280 in words is "eighty-four million, fifty-two thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 161639 323278 646556 808195 1293112 1616390 2101307 3232780 4202614 6465560 8405228 10506535 16810456 21013070 42026140 84052280