Base | Representation |
---|---|
bin | 10001011001010… |
… | …00101011100100 |
3 | 101011120102211000 |
4 | 20230220223210 |
5 | 244323344232 |
6 | 22251313300 |
7 | 3421200633 |
oct | 1054505344 |
9 | 334512730 |
10 | 145918692 |
11 | 75404967 |
12 | 40a4b830 |
13 | 2430032a |
14 | 1554551a |
15 | cc2527c |
hex | 8b28ae4 |
145918692 has 24 divisors (see below), whose sum is σ = 378308000. Its totient is φ = 48639528.
The previous prime is 145918681. The next prime is 145918711. The reversal of 145918692 is 296819541.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675442 + ... + 675657.
Almost surely, 2145918692 is an apocalyptic number.
145918692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145918692 is an abundant number, since it is smaller than the sum of its proper divisors (232389308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145918692 is a wasteful number, since it uses less digits than its factorization.
145918692 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1351112 (or 1351104 counting only the distinct ones).
The product of its digits is 155520, while the sum is 45.
The square root of 145918692 is about 12079.6809560518. The cubic root of 145918692 is about 526.4659761619.
The spelling of 145918692 in words is "one hundred forty-five million, nine hundred eighteen thousand, six hundred ninety-two".
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