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372340818 = 23220685601
BaseRepresentation
bin10110001100010…
…111100001010010
3221221121212120200
4112030113201102
51230304401233
6100540320030
712140562513
oct2614274122
9857555520
10372340818
111811a4193
12a4843016
135c1a8c15
1437644a0a
1522a4d313
hex16317852

372340818 has 12 divisors (see below), whose sum is σ = 806738478. Its totient is φ = 124113600.

The previous prime is 372340789. The next prime is 372340819. The reversal of 372340818 is 818043273.

It can be written as a sum of positive squares in only one way, i.e., 293539689 + 78801129 = 17133^2 + 8877^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (372340819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10342783 + ... + 10342818.

Almost surely, 2372340818 is an apocalyptic number.

372340818 is an abundant number, since it is smaller than the sum of its proper divisors (434397660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

372340818 is a wasteful number, since it uses less digits than its factorization.

372340818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20685609 (or 20685606 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 372340818 is about 19296.1347943053. The cubic root of 372340818 is about 719.4162050123.

The spelling of 372340818 in words is "three hundred seventy-two million, three hundred forty thousand, eight hundred eighteen".

Divisors: 1 2 3 6 9 18 20685601 41371202 62056803 124113606 186170409 372340818