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83474725 = 523338989
BaseRepresentation
bin1001111100110…
…11100100100101
312211001221210111
410332123210211
5132332142400
612141053021
72032344355
oct476334445
9184057714
1083474725
1143134884
1223b57171
13143a8b39
14b12cb65
1574dd3ba
hex4f9b925

83474725 has 6 divisors (see below), whose sum is σ = 103508690. Its totient is φ = 66779760.

The previous prime is 83474719. The next prime is 83474737. The reversal of 83474725 is 52747438.

It can be written as a sum of positive squares in 3 ways, for example, as 16136289 + 67338436 = 4017^2 + 8206^2 .

It is not a de Polignac number, because 83474725 - 215 = 83441957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1669470 + ... + 1669519.

Almost surely, 283474725 is an apocalyptic number.

It is an amenable number.

83474725 is a deficient number, since it is larger than the sum of its proper divisors (20033965).

83474725 is a wasteful number, since it uses less digits than its factorization.

83474725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338999 (or 3338994 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 83474725 is about 9136.4503501086. The cubic root of 83474725 is about 437.0371267813.

The spelling of 83474725 in words is "eighty-three million, four hundred seventy-four thousand, seven hundred twenty-five".

Divisors: 1 5 25 3338989 16694945 83474725