Base | Representation |
---|---|
bin | 110010110101111… |
… | …111010110101011 |
3 | 2012110002121010120 |
4 | 302311333112223 |
5 | 3221332421211 |
6 | 220351014323 |
7 | 30065333040 |
oct | 6265772653 |
9 | 2173077116 |
10 | 853013931 |
11 | 3a855aaa0 |
12 | 1b980a3a3 |
13 | 107955093 |
14 | 814091c7 |
15 | 4ed49d06 |
hex | 32d7f5ab |
853013931 has 16 divisors (see below), whose sum is σ = 1417997568. Its totient is φ = 443124000.
The previous prime is 853013927. The next prime is 853013971. The reversal of 853013931 is 139310358.
It is not a de Polignac number, because 853013931 - 22 = 853013927 is a prime.
It is a super-2 number, since 2×8530139312 = 1455265532960145522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 853013892 and 853013901.
It is not an unprimeable number, because it can be changed into a prime (853013921) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1846120 + ... + 1846581.
It is an arithmetic number, because the mean of its divisors is an integer number (88624848).
Almost surely, 2853013931 is an apocalyptic number.
853013931 is a deficient number, since it is larger than the sum of its proper divisors (564983637).
853013931 is a wasteful number, since it uses less digits than its factorization.
853013931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3692722.
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 853013931 is about 29206.4022262243. The cubic root of 853013931 is about 948.3865247604.
The spelling of 853013931 in words is "eight hundred fifty-three million, thirteen thousand, nine hundred thirty-one".
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