Base | Representation |
---|---|
bin | 10001110010110… |
… | …11000100101110 |
3 | 101101212202002021 |
4 | 20321123010232 |
5 | 301203131310 |
6 | 22451220354 |
7 | 3461531632 |
oct | 1071330456 |
9 | 341782067 |
10 | 149270830 |
11 | 77294425 |
12 | 41ba76ba |
13 | 24c05047 |
14 | 15b78dc2 |
15 | d1885da |
hex | 8e5b12e |
149270830 has 32 divisors (see below), whose sum is σ = 278756640. Its totient is φ = 57482880.
The previous prime is 149270827. The next prime is 149270831. The reversal of 149270830 is 38072941.
149270830 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149270831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158160 + ... + 159100.
It is an arithmetic number, because the mean of its divisors is an integer number (8711145).
Almost surely, 2149270830 is an apocalyptic number.
149270830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149270830 is a deficient number, since it is larger than the sum of its proper divisors (129485810).
149270830 is a wasteful number, since it uses less digits than its factorization.
149270830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1524.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 149270830 is about 12217.6442082752. The cubic root of 149270830 is about 530.4669315751.
The spelling of 149270830 in words is "one hundred forty-nine million, two hundred seventy thousand, eight hundred thirty".
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