Base | Representation |
---|---|
bin | 10010001111001… |
… | …00000110100110 |
3 | 101122212002010120 |
4 | 21013210012212 |
5 | 303130242310 |
6 | 23102502410 |
7 | 3535201335 |
oct | 1107440646 |
9 | 348762116 |
10 | 152977830 |
11 | 79396565 |
12 | 43294a06 |
13 | 25902435 |
14 | 16461d1c |
15 | d66bb70 |
hex | 91e41a6 |
152977830 has 32 divisors (see below), whose sum is σ = 383111424. Its totient is φ = 39020256.
The previous prime is 152977823. The next prime is 152977831. The reversal of 152977830 is 38779251.
152977830 is digitally balanced in base 3, because in such base 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 (152977831) 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, 110164 + ... + 111543.
It is an arithmetic number, because the mean of its divisors is an integer number (11972232).
Almost surely, 2152977830 is an apocalyptic number.
152977830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
152977830 is an abundant number, since it is smaller than the sum of its proper divisors (230133594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152977830 is a wasteful number, since it uses less digits than its factorization.
152977830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221740.
The product of its (nonzero) digits is 105840, while the sum is 42.
The square root of 152977830 is about 12368.4206752520. The cubic root of 152977830 is about 534.8222893621.
The spelling of 152977830 in words is "one hundred fifty-two million, nine hundred seventy-seven thousand, eight hundred thirty".
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