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1315483738 = 22389275321
BaseRepresentation
bin100111001101000…
…1011000001011010
310101200022111102221
41032122023001122
510143230434423
6334311214254
744412266362
oct11632130132
93350274387
101315483738
11615613448
1230867738a
1317c6c985a
14c69d19a2
157a74ce5d
hex4e68b05a

1315483738 has 8 divisors (see below), whose sum is σ = 1974058740. Its totient is φ = 657464160.

The previous prime is 1315483733. The next prime is 1315483739. The reversal of 1315483738 is 8373845131.

It can be written as a sum of positive squares in 2 ways, for example, as 1242774009 + 72709729 = 35253^2 + 8527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1315483694 and 1315483703.

It is not an unprimeable number, because it can be changed into a prime (1315483733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132883 + ... + 142438.

Almost surely, 21315483738 is an apocalyptic number.

1315483738 is a deficient number, since it is larger than the sum of its proper divisors (658575002).

1315483738 is a wasteful number, since it uses less digits than its factorization.

1315483738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277712.

The product of its digits is 241920, while the sum is 43.

The square root of 1315483738 is about 36269.5979850894. The cubic root of 1315483738 is about 1095.7088292938.

The spelling of 1315483738 in words is "one billion, three hundred fifteen million, four hundred eighty-three thousand, seven hundred thirty-eight".

Divisors: 1 2 2389 4778 275321 550642 657741869 1315483738