Base | Representation |
---|---|
bin | 10010001101111… |
… | …01110001011110 |
3 | 101122120002202202 |
4 | 21012331301132 |
5 | 303110231310 |
6 | 23055251502 |
7 | 3533645531 |
oct | 1106756136 |
9 | 348502682 |
10 | 152820830 |
11 | 79299608 |
12 | 43219b92 |
13 | 25878b36 |
14 | 16420a18 |
15 | d63a3a5 |
hex | 91bdc5e |
152820830 has 16 divisors (see below), whose sum is σ = 275802624. Its totient is φ = 60967200.
The previous prime is 152820827. The next prime is 152820847. The reversal of 152820830 is 38028251.
It is a junction number, because it is equal to n+sod(n) for n = 152820793 and 152820802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16121 + ... + 23780.
It is an arithmetic number, because the mean of its divisors is an integer number (17237664).
Almost surely, 2152820830 is an apocalyptic number.
152820830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
152820830 is a deficient number, since it is larger than the sum of its proper divisors (122981794).
152820830 is a wasteful number, since it uses less digits than its factorization.
152820830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40291.
The product of its (nonzero) digits is 3840, while the sum is 29.
The square root of 152820830 is about 12362.0722372910. The cubic root of 152820830 is about 534.6392653671.
The spelling of 152820830 in words is "one hundred fifty-two million, eight hundred twenty thousand, eight hundred thirty".
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