Base | Representation |
---|---|
bin | 10010010111111… |
… | …10110010110010 |
3 | 101202000220110202 |
4 | 21023332302302 |
5 | 303424320410 |
6 | 23143355202 |
7 | 3551063210 |
oct | 1113766262 |
9 | 352026422 |
10 | 154135730 |
11 | 7a007501 |
12 | 43752b02 |
13 | 25c19498 |
14 | 16683cb0 |
15 | d7e9ca5 |
hex | 92fecb2 |
154135730 has 32 divisors (see below), whose sum is σ = 322462080. Its totient is φ = 51949440.
The previous prime is 154135721. The next prime is 154135757. The reversal of 154135730 is 37531451.
It is a junction number, because it is equal to n+sod(n) for n = 154135693 and 154135702.
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, 14531 + ... + 22790.
It is an arithmetic number, because the mean of its divisors is an integer number (10076940).
Almost surely, 2154135730 is an apocalyptic number.
154135730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154135730 is an abundant number, since it is smaller than the sum of its proper divisors (168326350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154135730 is a wasteful number, since it uses less digits than its factorization.
154135730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37394.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 154135730 is about 12415.1411590847. The cubic root of 154135730 is about 536.1682683434.
The spelling of 154135730 in words is "one hundred fifty-four million, one hundred thirty-five thousand, seven hundred thirty".
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