Base | Representation |
---|---|
bin | 10001010100010… |
… | …00111110110000 |
3 | 101010100012111220 |
4 | 20222020332300 |
5 | 244141431220 |
6 | 22225305040 |
7 | 3412504560 |
oct | 1052107660 |
9 | 333305456 |
10 | 145264560 |
11 | 74aa8461 |
12 | 40795180 |
13 | 2413167c |
14 | 15414da0 |
15 | cb46540 |
hex | 8a88fb0 |
145264560 has 80 divisors (see below), whose sum is σ = 514657536. Its totient is φ = 33202944.
The previous prime is 145264531. The next prime is 145264571. The reversal of 145264560 is 65462541.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×1452645602 = 42203584783987200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41554 + ... + 44913.
Almost surely, 2145264560 is an apocalyptic number.
145264560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145264560 is an abundant number, since it is smaller than the sum of its proper divisors (369392976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145264560 is a wasteful number, since it uses less digits than its factorization.
145264560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86490 (or 86484 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 33.
The square root of 145264560 is about 12052.5748286414. The cubic root of 145264560 is about 525.6781078826.
The spelling of 145264560 in words is "one hundred forty-five million, two hundred sixty-four thousand, five hundred sixty".
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