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1380936760 = 23574931917
BaseRepresentation
bin101001001001111…
…0110110000111000
310120020110212002221
41102103312300320
510312004434020
6345010133424
746135524460
oct12223666070
93506425087
101380936760
11649559255
12326581274
13190135858
14d158cba0
158137b6aa
hex524f6c38

1380936760 has 32 divisors (see below), whose sum is σ = 3550980960. Its totient is φ = 473463936.

The previous prime is 1380936749. The next prime is 1380936769. The reversal of 1380936760 is 676390831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380936769) 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, 2465679 + ... + 2466238.

It is an arithmetic number, because the mean of its divisors is an integer number (110968155).

Almost surely, 21380936760 is an apocalyptic number.

1380936760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380936760 is an abundant number, since it is smaller than the sum of its proper divisors (2170044200).

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

1380936760 is a wasteful number, since it uses less digits than its factorization.

1380936760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931935 (or 4931931 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1380936760 is about 37160.9574688274. The cubic root of 1380936760 is about 1113.5881397335.

The spelling of 1380936760 in words is "one billion, three hundred eighty million, nine hundred thirty-six thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 4931917 9863834 19727668 24659585 34523419 39455336 49319170 69046838 98638340 138093676 172617095 197276680 276187352 345234190 690468380 1380936760