Base | Representation |
---|---|
bin | 10001111000000… |
… | …11110001000000 |
3 | 101110011211220110 |
4 | 20330003301000 |
5 | 301342234132 |
6 | 22514111320 |
7 | 3500440251 |
oct | 1074036100 |
9 | 343154813 |
10 | 149961792 |
11 | 77716572 |
12 | 4227b540 |
13 | 250b76b6 |
14 | 15cb8b28 |
15 | d2731cc |
hex | 8f03c40 |
149961792 has 28 divisors (see below), whose sum is σ = 396774416. Its totient is φ = 49987200.
The previous prime is 149961781. The next prime is 149961821. The reversal of 149961792 is 297169941.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390334 + ... + 390717.
Almost surely, 2149961792 is an apocalyptic number.
149961792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
149961792 is an abundant number, since it is smaller than the sum of its proper divisors (246812624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149961792 is an equidigital number, since it uses as much as digits as its factorization.
149961792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 781066 (or 781056 counting only the distinct ones).
The product of its digits is 244944, while the sum is 48.
The square root of 149961792 is about 12245.8887795047. Note that the first 3 decimals coincide. The cubic root of 149961792 is about 531.2841673619.
The spelling of 149961792 in words is "one hundred forty-nine million, nine hundred sixty-one thousand, seven hundred ninety-two".
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