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1313437948 = 22328359487
BaseRepresentation
bin100111001001001…
…0111100011111100
310101112110120010221
41032102113203330
510142220003243
6334155311124
744356016104
oct11622274374
93345416127
101313437948
11614446409
12307a4b4a4
1317c161624
14c661c204
157a496bed
hex4e4978fc

1313437948 has 6 divisors (see below), whose sum is σ = 2298516416. Its totient is φ = 656718972.

The previous prime is 1313437933. The next prime is 1313437949. The reversal of 1313437948 is 8497343131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313437949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164179740 + ... + 164179747.

Almost surely, 21313437948 is an apocalyptic number.

It is an amenable number.

1313437948 is a deficient number, since it is larger than the sum of its proper divisors (985078468).

1313437948 is a wasteful number, since it uses less digits than its factorization.

1313437948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328359491 (or 328359489 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 1313437948 is about 36241.3844658286. The cubic root of 1313437948 is about 1095.1405331054.

The spelling of 1313437948 in words is "one billion, three hundred thirteen million, four hundred thirty-seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 328359487 656718974 1313437948