Base | Representation |
---|---|
bin | 100000000001110… |
… | …0110111000000100 |
3 | 2202220012210002110 |
4 | 1000003212320010 |
5 | 4200104444432 |
6 | 254350141020 |
7 | 35426456454 |
oct | 10003467004 |
9 | 2686183073 |
10 | 1074687492 |
11 | 5016a668a |
12 | 25bab1770 |
13 | 14185a478 |
14 | a2a2dd64 |
15 | 64535dcc |
hex | 400e6e04 |
1074687492 has 12 divisors (see below), whose sum is σ = 2507604176. Its totient is φ = 358229160.
The previous prime is 1074687491. The next prime is 1074687499. The reversal of 1074687492 is 2947864701.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×10746874922 = 2309906410922500128, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1074687491) 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, 44778634 + ... + 44778657.
Almost surely, 21074687492 is an apocalyptic number.
1074687492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1074687492 is an abundant number, since it is smaller than the sum of its proper divisors (1432916684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1074687492 is a wasteful number, since it uses less digits than its factorization.
1074687492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89557298 (or 89557296 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 48.
The square root of 1074687492 is about 32782.4265727844. The cubic root of 1074687492 is about 1024.3005315502.
It can be divided in two parts, 107468 and 7492, that added together give a triangular number (114960 = T479).
The spelling of 1074687492 in words is "one billion, seventy-four million, six hundred eighty-seven thousand, four hundred ninety-two".
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