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83474432 = 21140759
BaseRepresentation
bin1001111100110…
…11100000000000
312211001221101122
410332123200000
5132332140212
612141051412
72032343456
oct476334000
9184057348
1083474432
1143134638
1223b56b68
13143a8972
14b12c9d6
1574dd272
hex4f9b800

83474432 has 24 divisors (see below), whose sum is σ = 166912200. Its totient is φ = 41736192.

The previous prime is 83474431. The next prime is 83474477. The reversal of 83474432 is 23447438.

It is a junction number, because it is equal to n+sod(n) for n = 83474392 and 83474401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83474431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18332 + ... + 22427.

It is an arithmetic number, because the mean of its divisors is an integer number (6954675).

Almost surely, 283474432 is an apocalyptic number.

It is an amenable number.

83474432 is a deficient number, since it is larger than the sum of its proper divisors (83437768).

83474432 is an equidigital number, since it uses as much as digits as its factorization.

83474432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40781 (or 40761 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 83474432 is about 9136.4343154209. The cubic root of 83474432 is about 437.0366154407.

The spelling of 83474432 in words is "eighty-three million, four hundred seventy-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 40759 81518 163036 326072 652144 1304288 2608576 5217152 10434304 20868608 41737216 83474432