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1307933916 = 223234738891
BaseRepresentation
bin100110111110101…
…0111110011011100
310101011002221000220
41031331113303130
510134312341131
6333441321340
744261153262
oct11575276334
93334087026
101307933916
11611327123
12306036250
1317ac852c3
14c59c8432
1579c5ae96
hex4df57cdc

1307933916 has 24 divisors (see below), whose sum is σ = 3184535424. Its totient is φ = 417022320.

The previous prime is 1307933863. The next prime is 1307933917. The reversal of 1307933916 is 6193397031.

It is a super-2 number, since 2×13079339162 = 3421382257246190112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307933917) 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, 2369170 + ... + 2369721.

It is an arithmetic number, because the mean of its divisors is an integer number (132688976).

Almost surely, 21307933916 is an apocalyptic number.

It is an amenable number.

1307933916 is an abundant number, since it is smaller than the sum of its proper divisors (1876601508).

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

1307933916 is a wasteful number, since it uses less digits than its factorization.

1307933916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738921 (or 4738919 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 1307933916 is about 36165.3690151227. The cubic root of 1307933916 is about 1093.6086429518.

The spelling of 1307933916 in words is "one billion, three hundred seven million, nine hundred thirty-three thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 4738891 9477782 14216673 18955564 28433346 56866692 108994493 217988986 326983479 435977972 653966958 1307933916