Base | Representation |
---|---|
bin | 1110101001000… |
… | …1010011011000 |
3 | 11021120002012120 |
4 | 3222101103120 |
5 | 111210200233 |
6 | 10032141240 |
7 | 1343666250 |
oct | 352212330 |
9 | 137502176 |
10 | 61412568 |
11 | 31736198 |
12 | 18697820 |
13 | c952bc9 |
14 | 8228960 |
15 | 55d14b3 |
hex | 3a914d8 |
61412568 has 64 divisors (see below), whose sum is σ = 185794560. Its totient is φ = 16513536.
The previous prime is 61412537. The next prime is 61412609. The reversal of 61412568 is 86521416.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7896 + ... + 13607.
It is an arithmetic number, because the mean of its divisors is an integer number (2903040).
Almost surely, 261412568 is an apocalyptic number.
61412568 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
61412568 is an abundant number, since it is smaller than the sum of its proper divisors (124381992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61412568 is a wasteful number, since it uses less digits than its factorization.
61412568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21536 (or 21532 counting only the distinct ones).
The product of its digits is 11520, while the sum is 33.
The square root of 61412568 is about 7836.6171273069. The cubic root of 61412568 is about 394.5351964755.
The spelling of 61412568 in words is "sixty-one million, four hundred twelve thousand, five hundred sixty-eight".
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