Base | Representation |
---|---|
bin | 11110001001100… |
… | …00011001111000 |
3 | 122121212220112211 |
4 | 33010300121320 |
5 | 1004220430310 |
6 | 41032344504 |
7 | 6160441411 |
oct | 1704603170 |
9 | 577786484 |
10 | 252905080 |
11 | 11a83836a |
12 | 70845134 |
13 | 4051ba9c |
14 | 25834808 |
15 | 17309c8a |
hex | f130678 |
252905080 has 16 divisors (see below), whose sum is σ = 569036520. Its totient is φ = 101162016.
The previous prime is 252905071. The next prime is 252905083. The reversal of 252905080 is 80509252.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252905083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161274 + ... + 3161353.
Almost surely, 2252905080 is an apocalyptic number.
252905080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252905080 is an abundant number, since it is smaller than the sum of its proper divisors (316131440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252905080 is a wasteful number, since it uses less digits than its factorization.
252905080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6322638 (or 6322634 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 31.
The square root of 252905080 is about 15902.9896560364. The cubic root of 252905080 is about 632.3912481554.
The spelling of 252905080 in words is "two hundred fifty-two million, nine hundred five thousand, eighty".
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