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1315305242 = 24315294247
BaseRepresentation
bin100111001100101…
…1111011100011010
310101122222102120222
41032121133130122
510143204231432
6334303320042
744410624106
oct11631373432
93348872528
101315305242
11615501329
123085b0022
1317c666534
14c6986906
157a715112
hex4e65f71a

1315305242 has 8 divisors (see below), whose sum is σ = 2018840736. Its totient is φ = 642358332.

The previous prime is 1315305203. The next prime is 1315305253. The reversal of 1315305242 is 2425035131.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7647038 + ... + 7647209.

It is an arithmetic number, because the mean of its divisors is an integer number (252355092).

Almost surely, 21315305242 is an apocalyptic number.

1315305242 is a deficient number, since it is larger than the sum of its proper divisors (703535494).

1315305242 is a wasteful number, since it uses less digits than its factorization.

1315305242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15294292.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1315305242 is about 36267.1372181483. The cubic root of 1315305242 is about 1095.6592686938.

The spelling of 1315305242 in words is "one billion, three hundred fifteen million, three hundred five thousand, two hundred forty-two".

Divisors: 1 2 43 86 15294247 30588494 657652621 1315305242