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1373650225 = 5262298821
BaseRepresentation
bin101000111100000…
…0011110100110001
310112201202122212021
41101320003310301
510303123301400
6344150031441
746016556103
oct12170036461
93481678767
101373650225
11645431822
12324048581
1318b7840ac
14d0613573
15808dc71a
hex51e03d31

1373650225 has 12 divisors (see below), whose sum is σ = 1703792860. Its totient is φ = 1098619200.

The previous prime is 1373650199. The next prime is 1373650273. The reversal of 1373650225 is 5220563731.

It can be written as a sum of positive squares in 6 ways, for example, as 7017201 + 1366633024 = 2649^2 + 36968^2 .

It is not a de Polignac number, because 1373650225 - 27 = 1373650097 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, 151315 + ... + 160135.

Almost surely, 21373650225 is an apocalyptic number.

It is an amenable number.

1373650225 is a deficient number, since it is larger than the sum of its proper divisors (330142635).

1373650225 is an equidigital number, since it uses as much as digits as its factorization.

1373650225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060 (or 15055 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 1373650225 is about 37062.7876042804. The cubic root of 1373650225 is about 1111.6260627962.

The spelling of 1373650225 in words is "one billion, three hundred seventy-three million, six hundred fifty thousand, two hundred twenty-five".

Divisors: 1 5 25 6229 8821 31145 44105 155725 220525 54946009 274730045 1373650225