Base | Representation |
---|---|
bin | 11011111010011… |
… | …10000111100100 |
3 | 121022121011201212 |
4 | 31331032013210 |
5 | 434420334140 |
6 | 35122410552 |
7 | 5542156055 |
oct | 1575160744 |
9 | 538534655 |
10 | 234152420 |
11 | 11019a1a7 |
12 | 66500a58 |
13 | 39684338 |
14 | 2315272c |
15 | 15853765 |
hex | df4e1e4 |
234152420 has 24 divisors (see below), whose sum is σ = 513100224. Its totient is φ = 89588576.
The previous prime is 234152419. The next prime is 234152423. The reversal of 234152420 is 24251432.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is not an unprimeable number, because it can be changed into a prime (234152423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254054 + ... + 254973.
It is an arithmetic number, because the mean of its divisors is an integer number (21379176).
Almost surely, 2234152420 is an apocalyptic number.
234152420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
234152420 is an abundant number, since it is smaller than the sum of its proper divisors (278947804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234152420 is a wasteful number, since it uses less digits than its factorization.
234152420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 509059 (or 509057 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 234152420 is about 15302.0397333166. The cubic root of 234152420 is about 616.3577818383.
The spelling of 234152420 in words is "two hundred thirty-four million, one hundred fifty-two thousand, four hundred twenty".
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