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83457394 = 2316122067
BaseRepresentation
bin1001111100101…
…11010101110010
312211001002000121
410332113111302
5132331114034
612140440454
72032243006
oct476272562
9184032017
1083457394
1143122859
1223b4912a
13143a0c97
14b126706
1574d81b4
hex4f97572

83457394 has 16 divisors (see below), whose sum is σ = 131348736. Its totient is φ = 39718800.

The previous prime is 83457377. The next prime is 83457397. The reversal of 83457394 is 49375438.

It is a super-2 number, since 2×834573942 = 13930273226542472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83457394.

It is not an unprimeable number, because it can be changed into a prime (83457397) 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, 7252 + ... + 14815.

It is an arithmetic number, because the mean of its divisors is an integer number (8209296).

Almost surely, 283457394 is an apocalyptic number.

83457394 is a deficient number, since it is larger than the sum of its proper divisors (47891342).

83457394 is a wasteful number, since it uses less digits than its factorization.

83457394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161.

The product of its digits is 362880, while the sum is 43.

The square root of 83457394 is about 9135.5018471893. The cubic root of 83457394 is about 437.0068788441.

The spelling of 83457394 in words is "eighty-three million, four hundred fifty-seven thousand, three hundred ninety-four".

Divisors: 1 2 31 61 62 122 1891 3782 22067 44134 684077 1346087 1368154 2692174 41728697 83457394