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1307616331 = 7400746619
BaseRepresentation
bin100110111110000…
…1010010001001011
310101010111210101111
41031330022101023
510134222210311
6333430431151
744255361340
oct11574122113
93333453344
101307616331
1161112a55a
12305b024b7
1317aba3898
14c59447c7
1579be6d21
hex4df0a44b

1307616331 has 8 divisors (see below), whose sum is σ = 1494823680. Its totient is φ = 1120510248.

The previous prime is 1307616329. The next prime is 1307616337. The reversal of 1307616331 is 1336167031.

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

It is a cyclic number.

It is not a de Polignac number, because 1307616331 - 21 = 1307616329 is a prime.

It is a super-2 number, since 2×13076163312 = 3419720938195803122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1307616293 and 1307616302.

It is not an unprimeable number, because it can be changed into a prime (1307616337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4740 + ... + 51358.

It is an arithmetic number, because the mean of its divisors is an integer number (186852960).

Almost surely, 21307616331 is an apocalyptic number.

1307616331 is a deficient number, since it is larger than the sum of its proper divisors (187207349).

1307616331 is an equidigital number, since it uses as much as digits as its factorization.

1307616331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50633.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 1307616331 is about 36160.9780149818. The cubic root of 1307616331 is about 1093.5201211972.

The spelling of 1307616331 in words is "one billion, three hundred seven million, six hundred sixteen thousand, three hundred thirty-one".

Divisors: 1 7 4007 28049 46619 326333 186802333 1307616331