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83994408 = 233543207
BaseRepresentation
bin1010000000110…
…10011100101000
312212001100200000
411000122130220
5133000310113
612200143000
72036640441
oct500323450
9185040600
1083994408
114345a273
1224167a60
131452b544
14b2262c8
157592373
hex501a728

83994408 has 48 divisors (see below), whose sum is σ = 235915680. Its totient is φ = 27997488.

The previous prime is 83994397. The next prime is 83994409. The reversal of 83994408 is 80449938.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83994409) 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, 19660 + ... + 23547.

It is an arithmetic number, because the mean of its divisors is an integer number (4914910).

Almost surely, 283994408 is an apocalyptic number.

It is an amenable number.

83994408 is an abundant number, since it is smaller than the sum of its proper divisors (151921272).

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

83994408 is a wasteful number, since it uses less digits than its factorization.

83994408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43228 (or 43212 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 83994408 is about 9164.8463162237. The cubic root of 83994408 is about 437.9421954116.

The spelling of 83994408 in words is "eighty-three million, nine hundred ninety-four thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 972 1944 43207 86414 129621 172828 259242 345656 388863 518484 777726 1036968 1166589 1555452 2333178 3110904 3499767 4666356 6999534 9332712 10499301 13999068 20998602 27998136 41997204 83994408