Base | Representation |
---|---|
bin | 111110011011110… |
… | …000100011010001 |
3 | 2200222222200200100 |
4 | 332123300203101 |
5 | 4121122323040 |
6 | 251534443013 |
7 | 34646204220 |
oct | 7633604321 |
9 | 2628880610 |
10 | 1047464145 |
11 | 4982a2352 |
12 | 252963469 |
13 | 139018290 |
14 | 9d184cb7 |
15 | 61e59b30 |
hex | 3e6f08d1 |
1047464145 has 96 divisors (see below), whose sum is σ = 2248646400. Its totient is φ = 439229952.
The previous prime is 1047464113. The next prime is 1047464147. The reversal of 1047464145 is 5414647401.
It is a happy number.
1047464145 is a `hidden beast` number, since 1 + 0 + 4 + 7 + 4 + 641 + 4 + 5 = 666.
It is not a de Polignac number, because 1047464145 - 25 = 1047464113 is a prime.
It is a super-2 number, since 2×10474641452 = 2194362270121162050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1047464147) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 732291 + ... + 733719.
It is an arithmetic number, because the mean of its divisors is an integer number (23423400).
Almost surely, 21047464145 is an apocalyptic number.
1047464145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1047464145 is an abundant number, since it is smaller than the sum of its proper divisors (1201182255).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1047464145 is a wasteful number, since it uses less digits than its factorization.
1047464145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1639 (or 1636 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 1047464145 is about 32364.5507461482. The cubic root of 1047464145 is about 1015.5774642777.
The spelling of 1047464145 in words is "one billion, forty-seven million, four hundred sixty-four thousand, one hundred forty-five".
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