Base | Representation |
---|---|
bin | 101000111111010… |
… | …1011000011110000 |
3 | 10112212000201212110 |
4 | 1101332223003300 |
5 | 10304044240132 |
6 | 344251125320 |
7 | 46040366166 |
oct | 12176530360 |
9 | 3485021773 |
10 | 1375383792 |
11 | 646406222 |
12 | 324743840 |
13 | 18bc40183 |
14 | d0945236 |
15 | 80b311cc |
hex | 51fab0f0 |
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".
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