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1379002740 = 223522983379
BaseRepresentation
bin101001000110001…
…1110100101110100
310120002211121010120
41102030132211310
510311011041430
6344500451540
746113221103
oct12214364564
93502747116
101379002740
11648458195
123259a9bb0
1318c90946b
14d120803a
15810e8610
hex5231e974

1379002740 has 24 divisors (see below), whose sum is σ = 3861207840. Its totient is φ = 367734048.

The previous prime is 1379002727. The next prime is 1379002747. The reversal of 1379002740 is 472009731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379002747) 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, 11491630 + ... + 11491749.

It is an arithmetic number, because the mean of its divisors is an integer number (160883660).

Almost surely, 21379002740 is an apocalyptic number.

1379002740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379002740 is an abundant number, since it is smaller than the sum of its proper divisors (2482205100).

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

1379002740 is a wasteful number, since it uses less digits than its factorization.

1379002740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22983391 (or 22983389 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 1379002740 is about 37134.9261477655. The cubic root of 1379002740 is about 1113.0680319321.

The spelling of 1379002740 in words is "one billion, three hundred seventy-nine million, two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 22983379 45966758 68950137 91933516 114916895 137900274 229833790 275800548 344750685 459667580 689501370 1379002740