Base | Representation |
---|---|
bin | 100000000001110… |
… | …0110101111010011 |
3 | 2202220012202022200 |
4 | 1000003212233103 |
5 | 4200104440211 |
6 | 254350134243 |
7 | 35426455023 |
oct | 10003465723 |
9 | 2686182280 |
10 | 1074686931 |
11 | 5016a621a |
12 | 25bab1383 |
13 | 14185a136 |
14 | a2a2da83 |
15 | 64535b56 |
hex | 400e6bd3 |
1074686931 has 12 divisors (see below), whose sum is σ = 1553423040. Its totient is φ = 715951440.
The previous prime is 1074686897. The next prime is 1074686939. The reversal of 1074686931 is 1396864701.
It is a happy number.
It is not a de Polignac number, because 1074686931 - 210 = 1074685907 is a prime.
It is a super-2 number, since 2×10746869312 = 2309903999324397522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1074686939) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28540 + ... + 54441.
It is an arithmetic number, because the mean of its divisors is an integer number (129451920).
Almost surely, 21074686931 is an apocalyptic number.
1074686931 is a deficient number, since it is larger than the sum of its proper divisors (478736109).
1074686931 is a wasteful number, since it uses less digits than its factorization.
1074686931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84426 (or 84423 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 1074686931 is about 32782.4180163697. The cubic root of 1074686931 is about 1024.3003533177.
The spelling of 1074686931 in words is "one billion, seventy-four million, six hundred eighty-six thousand, nine hundred thirty-one".
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