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1832815225 = 52292528021
BaseRepresentation
bin110110100111110…
…1000101001111001
311201201202122211101
41231033220221321
512223200041400
6501511331401
763263446423
oct15517505171
94651678741
101832815225
1186063822a
12431980b61
1323293c567
141355b9813
15aad8b56a
hex6d3e8a79

1832815225 has 12 divisors (see below), whose sum is σ = 2351060460. Its totient is φ = 1415691200.

The previous prime is 1832815163. The next prime is 1832815253. The reversal of 1832815225 is 5225182381.

It can be written as a sum of positive squares in 6 ways, for example, as 234334864 + 1598480361 = 15308^2 + 39981^2 .

It is not a de Polignac number, because 1832815225 - 29 = 1832814713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1263286 + ... + 1264735.

It is an arithmetic number, because the mean of its divisors is an integer number (195921705).

Almost surely, 21832815225 is an apocalyptic number.

It is an amenable number.

1832815225 is a deficient number, since it is larger than the sum of its proper divisors (518245235).

1832815225 is a wasteful number, since it uses less digits than its factorization.

1832815225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528060 (or 2528055 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 1832815225 is about 42811.3912995128. The cubic root of 1832815225 is about 1223.7881059235.

The spelling of 1832815225 in words is "one billion, eight hundred thirty-two million, eight hundred fifteen thousand, two hundred twenty-five".

Divisors: 1 5 25 29 145 725 2528021 12640105 63200525 73312609 366563045 1832815225