Base | Representation |
---|---|
bin | 10001100110111… |
… | …01101100010010 |
3 | 101021221101020020 |
4 | 20303131230102 |
5 | 300303134230 |
6 | 22353524310 |
7 | 3442334403 |
oct | 1063355422 |
9 | 337841206 |
10 | 147708690 |
11 | 764177a8 |
12 | 41573696 |
13 | 247a8cbc |
14 | 1588d9aa |
15 | ce7a810 |
hex | 8cddb12 |
147708690 has 64 divisors (see below), whose sum is σ = 361380096. Its totient is φ = 38633472.
The previous prime is 147708677. The next prime is 147708697. The reversal of 147708690 is 96807741.
147708690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1477086902 = 43635714203032200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (147708697) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561499 + ... + 561761.
It is an arithmetic number, because the mean of its divisors is an integer number (5646564).
Almost surely, 2147708690 is an apocalyptic number.
147708690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
147708690 is an abundant number, since it is smaller than the sum of its proper divisors (213671406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147708690 is a wasteful number, since it uses less digits than its factorization.
147708690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 563.
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 147708690 is about 12153.5463960113. The cubic root of 147708690 is about 528.6099685628.
The spelling of 147708690 in words is "one hundred forty-seven million, seven hundred eight thousand, six hundred ninety".
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