Base | Representation |
---|---|
bin | 10010001110000… |
… | …00011011100000 |
3 | 101122120122200210 |
4 | 21013000123200 |
5 | 303111103322 |
6 | 23055414120 |
7 | 3534022335 |
oct | 1107003340 |
9 | 348518623 |
10 | 152831712 |
11 | 792a6800 |
12 | 43224340 |
13 | 25880a87 |
14 | 1642498c |
15 | d63d70c |
hex | 91c06e0 |
152831712 has 144 divisors (see below), whose sum is σ = 450455040. Its totient is φ = 45323520.
The previous prime is 152831699. The next prime is 152831713. The reversal of 152831712 is 217138251.
It is a self number, because there is not a number n which added to its sum of digits gives 152831712.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152831713) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685233 + ... + 685455.
It is an arithmetic number, because the mean of its divisors is an integer number (3128160).
Almost surely, 2152831712 is an apocalyptic number.
152831712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 152831712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225227520).
152831712 is an abundant number, since it is smaller than the sum of its proper divisors (297623328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152831712 is a wasteful number, since it uses less digits than its factorization.
152831712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317 (or 298 counting only the distinct ones).
The product of its digits is 3360, while the sum is 30.
The square root of 152831712 is about 12362.5123660201. The cubic root of 152831712 is about 534.6519551870.
Adding to 152831712 its reverse (217138251), we get a palindrome (369969963).
The spelling of 152831712 in words is "one hundred fifty-two million, eight hundred thirty-one thousand, seven hundred twelve".
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