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1375383792 = 24328653829
BaseRepresentation
bin101000111111010…
…1011000011110000
310112212000201212110
41101332223003300
510304044240132
6344251125320
746040366166
oct12176530360
93485021773
101375383792
11646406222
12324743840
1318bc40183
14d0945236
1580b311cc
hex51fab0f0

1375383792 has 20 divisors (see below), whose sum is σ = 3553074920. Its totient is φ = 458461248.

The previous prime is 1375383791. The next prime is 1375383797. The reversal of 1375383792 is 2973835731.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 28653829 = 1375383792 / (1 + 3 + 7 + 5 + 3 + 8 + 3 + 7 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375383791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14326867 + ... + 14326962.

It is an arithmetic number, because the mean of its divisors is an integer number (177653746).

Almost surely, 21375383792 is an apocalyptic number.

1375383792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1375383792 is an abundant number, since it is smaller than the sum of its proper divisors (2177691128).

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

1375383792 is a wasteful number, since it uses less digits than its factorization.

1375383792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28653840 (or 28653834 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 1375383792 is about 37086.1671246841. The cubic root of 1375383792 is about 1112.0934957531.

The spelling of 1375383792 in words is "one billion, three hundred seventy-five million, three hundred eighty-three thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 28653829 57307658 85961487 114615316 171922974 229230632 343845948 458461264 687691896 1375383792