Base | Representation |
---|---|
bin | 10010101111111… |
… | …11100001001110 |
3 | 101221221212200021 |
4 | 21113333201032 |
5 | 310231100210 |
6 | 23335052354 |
7 | 3616616122 |
oct | 1127774116 |
9 | 357855607 |
10 | 157284430 |
11 | 80868136 |
12 | 448110ba |
13 | 2677c714 |
14 | 16c63582 |
15 | dc1cbda |
hex | 95ff84e |
157284430 has 16 divisors (see below), whose sum is σ = 283613040. Its totient is φ = 62802432.
The previous prime is 157284427. The next prime is 157284431. The reversal of 157284430 is 34482751.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157284431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7860 + ... + 19399.
It is an arithmetic number, because the mean of its divisors is an integer number (17725815).
Almost surely, 2157284430 is an apocalyptic number.
157284430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157284430 is a deficient number, since it is larger than the sum of its proper divisors (126328610).
157284430 is a wasteful number, since it uses less digits than its factorization.
157284430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27843.
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 157284430 is about 12541.3089428496. The cubic root of 157284430 is about 539.7946521455.
The spelling of 157284430 in words is "one hundred fifty-seven million, two hundred eighty-four thousand, four hundred thirty".
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