Base | Representation |
---|---|
bin | 110000001010001… |
… | …011010111110001 |
3 | 2002022100100111020 |
4 | 300022023113301 |
5 | 3123320140020 |
6 | 212101410053 |
7 | 26010445311 |
oct | 6012132761 |
9 | 2068310436 |
10 | 807974385 |
11 | 385098129 |
12 | 1a6709929 |
13 | cb51576a |
14 | 79443441 |
15 | 4adeec40 |
hex | 3028b5f1 |
807974385 has 32 divisors (see below), whose sum is σ = 1370908800. Its totient is φ = 404947968.
The previous prime is 807974371. The next prime is 807974393. The reversal of 807974385 is 583479708.
It is not a de Polignac number, because 807974385 - 24 = 807974369 is a prime.
It is a super-2 number, since 2×8079743852 = 1305645213632256450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195066 + ... + 199164.
It is an arithmetic number, because the mean of its divisors is an integer number (42840900).
Almost surely, 2807974385 is an apocalyptic number.
807974385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
807974385 is a deficient number, since it is larger than the sum of its proper divisors (562934415).
807974385 is a wasteful number, since it uses less digits than its factorization.
807974385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4897.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The square root of 807974385 is about 28424.8902372551. The cubic root of 807974385 is about 931.3920591054.
The spelling of 807974385 in words is "eight hundred seven million, nine hundred seventy-four thousand, three hundred eighty-five".
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