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1317394148 = 22747049791
BaseRepresentation
bin100111010000101…
…1101011011100100
310101210220120000212
41032201131123210
510144223103043
6334420154552
744434444160
oct11641353344
93353816025
101317394148
116166a87a4
12309238a58
1317cc18285
14c6d6bca0
157a9c9018
hex4e85d6e4

1317394148 has 12 divisors (see below), whose sum is σ = 2634788352. Its totient is φ = 564597480.

The previous prime is 1317394123. The next prime is 1317394153. The reversal of 1317394148 is 8414937131.

1317394148 is an admirable number.

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, 23524868 + ... + 23524923.

It is an arithmetic number, because the mean of its divisors is an integer number (219565696).

Almost surely, 21317394148 is an apocalyptic number.

It is an amenable number.

1317394148 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.

1317394148 is a wasteful number, since it uses less digits than its factorization.

1317394148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47049802 (or 47049800 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 1317394148 is about 36295.9246748171. The cubic root of 1317394148 is about 1096.2389867693.

The spelling of 1317394148 in words is "one billion, three hundred seventeen million, three hundred ninety-four thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 28 47049791 94099582 188199164 329348537 658697074 1317394148