Base | Representation |
---|---|
bin | 1110101001101… |
… | …1101001010010 |
3 | 11021122020022112 |
4 | 3222123221102 |
5 | 111213024210 |
6 | 10033105322 |
7 | 1344233615 |
oct | 352335122 |
9 | 137566275 |
10 | 61454930 |
11 | 31764aa9 |
12 | 186b8242 |
13 | c969284 |
14 | 823a17c |
15 | 55ddd05 |
hex | 3a9ba52 |
61454930 has 32 divisors (see below), whose sum is σ = 117149760. Its totient is φ = 23146560.
The previous prime is 61454923. The next prime is 61454951. The reversal of 61454930 is 3945416.
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, 33497 + ... + 35283.
It is an arithmetic number, because the mean of its divisors is an integer number (3660930).
Almost surely, 261454930 is an apocalyptic number.
61454930 is a deficient number, since it is larger than the sum of its proper divisors (55694830).
61454930 is a wasteful number, since it uses less digits than its factorization.
61454930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1994.
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 61454930 is about 7839.3194857717. The cubic root of 61454930 is about 394.6258915840.
The spelling of 61454930 in words is "sixty-one million, four hundred fifty-four thousand, nine hundred thirty".
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