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1307890484 = 227316327479
BaseRepresentation
bin100110111110100…
…1101001100110100
310101011000201110022
41031331031030310
510134304443414
6333440344312
744260612535
oct11575151464
93334021408
101307890484
116112a752a
12306015098
1317ac6b5c4
14c59b668c
1579c4d18e
hex4df4d334

1307890484 has 24 divisors (see below), whose sum is σ = 2334480960. Its totient is φ = 641006784.

The previous prime is 1307890481. The next prime is 1307890489. The reversal of 1307890484 is 4840987031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307890481) 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 in 7 ways as a sum of consecutive naturals, for example, 33857 + ... + 61335.

It is an arithmetic number, because the mean of its divisors is an integer number (97270040).

Almost surely, 21307890484 is an apocalyptic number.

It is an amenable number.

1307890484 is a deficient number, since it is larger than the sum of its proper divisors (1026590476).

1307890484 is a wasteful number, since it uses less digits than its factorization.

1307890484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27719 (or 27717 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1307890484 is about 36164.7685461970. The cubic root of 1307890484 is about 1093.5965378203.

The spelling of 1307890484 in words is "one billion, three hundred seven million, eight hundred ninety thousand, four hundred eighty-four".

Divisors: 1 2 4 73 146 163 292 326 652 11899 23798 27479 47596 54958 109916 2005967 4011934 4479077 8023868 8958154 17916308 326972621 653945242 1307890484