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2485428872 = 23310678609
BaseRepresentation
bin1001010000100100…
…1010001010001000
320102012202212110012
42110021022022020
520042232210442
61050343211052
7115406540213
oct22411121210
96365685405
102485428872
111065a61553
12594446a88
13307bca094
1419813a77a
15e82ed582
hex9424a288

2485428872 has 8 divisors (see below), whose sum is σ = 4660179150. Its totient is φ = 1242714432.

The previous prime is 2485428859. The next prime is 2485428923. The reversal of 2485428872 is 2788245842.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2124656836 + 360772036 = 46094^2 + 18994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2485428872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155339297 + ... + 155339312.

Almost surely, 22485428872 is an apocalyptic number.

It is an amenable number.

2485428872 is a deficient number, since it is larger than the sum of its proper divisors (2174750278).

2485428872 is a wasteful number, since it uses less digits than its factorization.

2485428872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310678615 (or 310678611 counting only the distinct ones).

The product of its digits is 2293760, while the sum is 50.

The square root of 2485428872 is about 49854.0757812237. The cubic root of 2485428872 is about 1354.5668603726.

The spelling of 2485428872 in words is "two billion, four hundred eighty-five million, four hundred twenty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 310678609 621357218 1242714436 2485428872