Base | Representation |
---|---|
bin | 1110100111010… |
… | …0111100101110 |
3 | 11021100011220011 |
4 | 3221310330232 |
5 | 111142441210 |
6 | 10025443434 |
7 | 1343003536 |
oct | 351647456 |
9 | 137304804 |
10 | 61296430 |
11 | 31666a08 |
12 | 1864057a |
13 | c9120a0 |
14 | 81d84c6 |
15 | 55abd8a |
hex | 3a74f2e |
61296430 has 64 divisors (see below), whose sum is σ = 125193600. Its totient is φ = 21450240.
The previous prime is 61296427. The next prime is 61296439. The reversal of 61296430 is 3469216.
It is a junction number, because it is equal to n+sod(n) for n = 61296392 and 61296401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61296439) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267556 + ... + 267784.
It is an arithmetic number, because the mean of its divisors is an integer number (1956150).
It is a vampire number, since it can be written as 6641 ⋅ 9230 (with its own digits).
Almost surely, 261296430 is an apocalyptic number.
61296430 is an abundant number, since it is smaller than the sum of its proper divisors (63897170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61296430 is a wasteful number, since it uses less digits than its factorization.
61296430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 61296430 is about 7829.2036632087. The cubic root of 61296430 is about 394.2863362154.
The spelling of 61296430 in words is "sixty-one million, two hundred ninety-six thousand, four hundred thirty".
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