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83474404 = 22131605277
BaseRepresentation
bin1001111100110…
…11011111100100
312211001221100121
410332123133210
5132332140104
612141051324
72032343416
oct476333744
9184057317
1083474404
1143134612
1223b56b44
13143a8950
14b12c9b6
1574dd254
hex4f9b7e4

83474404 has 12 divisors (see below), whose sum is σ = 157317244. Its totient is φ = 38526624.

The previous prime is 83474399. The next prime is 83474407. The reversal of 83474404 is 40447438.

It can be written as a sum of positive squares in 2 ways, for example, as 46240000 + 37234404 = 6800^2 + 6102^2 .

It is a super-2 number, since 2×834744042 = 13935952246310432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 83474404.

It is not an unprimeable number, because it can be changed into a prime (83474407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802587 + ... + 802690.

Almost surely, 283474404 is an apocalyptic number.

It is an amenable number.

83474404 is a deficient number, since it is larger than the sum of its proper divisors (73842840).

83474404 is a wasteful number, since it uses less digits than its factorization.

83474404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605294 (or 1605292 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 83474404 is about 9136.4327830943. The cubic root of 83474404 is about 437.0365665754.

The spelling of 83474404 in words is "eighty-three million, four hundred seventy-four thousand, four hundred four".

Divisors: 1 2 4 13 26 52 1605277 3210554 6421108 20868601 41737202 83474404