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1315225914 = 23219204319
BaseRepresentation
bin100111001100100…
…1100000100111010
310101122211101202220
41032121030010322
510143144212124
6334301504510
744410143612
oct11631140472
93348741686
101315225914
11615457772
12308572136
1317c6393b2
14c6965a42
157a6eb879
hex4e64c13a

1315225914 has 8 divisors (see below), whose sum is σ = 2630451840. Its totient is φ = 438408636.

The previous prime is 1315225913. The next prime is 1315225963. The reversal of 1315225914 is 4195225131.

It is a happy number.

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

1315225914 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1315225913) 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, 109602154 + ... + 109602165.

It is an arithmetic number, because the mean of its divisors is an integer number (328806480).

Almost surely, 21315225914 is an apocalyptic number.

1315225914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1315225914 is a wasteful number, since it uses less digits than its factorization.

1315225914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219204324.

The product of its digits is 10800, while the sum is 33.

The square root of 1315225914 is about 36266.0435393772. The cubic root of 1315225914 is about 1095.6372413086.

The spelling of 1315225914 in words is "one billion, three hundred fifteen million, two hundred twenty-five thousand, nine hundred fourteen".

Divisors: 1 2 3 6 219204319 438408638 657612957 1315225914