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74882405 = 5131152037
BaseRepresentation
bin1000111011010…
…01110101100101
312012220102100102
410131221311211
5123132214110
611232553445
71566330023
oct435516545
9165812312
1074882405
11392a6294
12210b2885
131268ac20
149d33713
1568925a5
hex4769d65

74882405 has 8 divisors (see below), whose sum is σ = 96771192. Its totient is φ = 55297728.

The previous prime is 74882383. The next prime is 74882417. The reversal of 74882405 is 50428847.

It can be written as a sum of positive squares in 4 ways, for example, as 2172676 + 72709729 = 1474^2 + 8527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74882405 - 26 = 74882341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575954 + ... + 576083.

It is an arithmetic number, because the mean of its divisors is an integer number (12096399).

Almost surely, 274882405 is an apocalyptic number.

It is an amenable number.

74882405 is a deficient number, since it is larger than the sum of its proper divisors (21888787).

74882405 is a wasteful number, since it uses less digits than its factorization.

74882405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152055.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 74882405 is about 8653.4620239532. The cubic root of 74882405 is about 421.4958096572.

The spelling of 74882405 in words is "seventy-four million, eight hundred eighty-two thousand, four hundred five".

Divisors: 1 5 13 65 1152037 5760185 14976481 74882405