Base | Representation |
---|---|
bin | 10010100100100… |
… | …11111111100110 |
3 | 101212011020011010 |
4 | 21102103333212 |
5 | 304340423210 |
6 | 23243123050 |
7 | 3601145040 |
oct | 1122237746 |
9 | 355136133 |
10 | 155795430 |
11 | 7aa4045a |
12 | 44213486 |
13 | 2637aa5b |
14 | 16996a90 |
15 | da26920 |
hex | 9493fe6 |
155795430 has 32 divisors (see below), whose sum is σ = 427325184. Its totient is φ = 35610336.
The previous prime is 155795417. The next prime is 155795447. The reversal of 155795430 is 34597551.
It is a congruent number.
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, 370732 + ... + 371151.
It is an arithmetic number, because the mean of its divisors is an integer number (13353912).
Almost surely, 2155795430 is an apocalyptic number.
155795430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
155795430 is an abundant number, since it is smaller than the sum of its proper divisors (271529754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155795430 is a wasteful number, since it uses less digits than its factorization.
155795430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 741900.
The product of its (nonzero) digits is 94500, while the sum is 39.
The square root of 155795430 is about 12481.8039561595. The cubic root of 155795430 is about 538.0858497716.
The spelling of 155795430 in words is "one hundred fifty-five million, seven hundred ninety-five thousand, four hundred thirty".
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