Base | Representation |
---|---|
bin | 1110100101000… |
… | …0111101111000 |
3 | 11021001200201120 |
4 | 3221100331320 |
5 | 111123232143 |
6 | 10022345240 |
7 | 1341521052 |
oct | 351207570 |
9 | 137050646 |
10 | 61149048 |
11 | 31576204 |
12 | 1858b220 |
13 | c88cc8c |
14 | 819a8d2 |
15 | 557d383 |
hex | 3a50f78 |
61149048 has 32 divisors (see below), whose sum is σ = 153076560. Its totient is φ = 20355840.
The previous prime is 61149047. The next prime is 61149061. The reversal of 61149048 is 84094116.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61149043) 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, 25668 + ... + 27948.
Almost surely, 261149048 is an apocalyptic number.
It is an amenable number.
61149048 is an abundant number, since it is smaller than the sum of its proper divisors (91927512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61149048 is a wasteful number, since it uses less digits than its factorization.
61149048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3407 (or 3403 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 61149048 is about 7819.7856748123. The cubic root of 61149048 is about 393.9700733967.
The spelling of 61149048 in words is "sixty-one million, one hundred forty-nine thousand, forty-eight".
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