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481157898 = 23136168691
BaseRepresentation
bin11100101011011…
…110001100001010
31020112101100112220
4130223132030022
51441134023043
6115424514510
714631526464
oct3453361412
91215340486
10481157898
11227668061
1211517ba36
13788b8a20
1447c8d134
152c395483
hex1cade30a

481157898 has 16 divisors (see below), whose sum is σ = 1036340256. Its totient is φ = 148048560.

The previous prime is 481157801. The next prime is 481157909. The reversal of 481157898 is 898751184.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 481157898.

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, 3084268 + ... + 3084423.

It is an arithmetic number, because the mean of its divisors is an integer number (64771266).

Almost surely, 2481157898 is an apocalyptic number.

481157898 is an abundant number, since it is smaller than the sum of its proper divisors (555182358).

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

481157898 is a wasteful number, since it uses less digits than its factorization.

481157898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168709.

The product of its digits is 645120, while the sum is 51.

The square root of 481157898 is about 21935.3116686315. The cubic root of 481157898 is about 783.6026084155.

The spelling of 481157898 in words is "four hundred eighty-one million, one hundred fifty-seven thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 78 6168691 12337382 18506073 37012146 80192983 160385966 240578949 481157898