Base | Representation |
---|---|
bin | 1110100110100… |
… | …1110101110000 |
3 | 11021020212110220 |
4 | 3221221311300 |
5 | 111140012203 |
6 | 10024453040 |
7 | 1342424064 |
oct | 351516560 |
9 | 137225426 |
10 | 61250928 |
11 | 31635802 |
12 | 1861a180 |
13 | c8c746b |
14 | 81c5aa4 |
15 | 559d653 |
hex | 3a69d70 |
61250928 has 40 divisors (see below), whose sum is σ = 158525568. Its totient is φ = 20379072.
The previous prime is 61250923. The next prime is 61250939. The reversal of 61250928 is 82905216.
It is a super-2 number, since 2×612509282 = 7503352361722368, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61250921) 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, 38925 + ... + 40467.
Almost surely, 261250928 is an apocalyptic number.
It is an amenable number.
61250928 is an abundant number, since it is smaller than the sum of its proper divisors (97274640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61250928 is a wasteful number, since it uses less digits than its factorization.
61250928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2381 (or 2375 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 61250928 is about 7826.2972087699. The cubic root of 61250928 is about 394.1887489224.
The spelling of 61250928 in words is "sixty-one million, two hundred fifty thousand, nine hundred twenty-eight".
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