Base | Representation |
---|---|
bin | 1110101001000… |
… | …1011000111011 |
3 | 11021120002200201 |
4 | 3222101120323 |
5 | 111210203143 |
6 | 10032143031 |
7 | 1344000265 |
oct | 352213073 |
9 | 137502621 |
10 | 61412923 |
11 | 31736490 |
12 | 18697a77 |
13 | c953110 |
14 | 8228b35 |
15 | 55d164d |
hex | 3a9163b |
61412923 has 32 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 48720000.
The previous prime is 61412903. The next prime is 61412947. The reversal of 61412923 is 32921416.
It is a de Polignac number, because none of the positive numbers 2k-61412923 is a prime.
It is a super-2 number, since 2×614129232 = 7543094222807858, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a nialpdrome in base 13.
It is a junction number, because it is equal to n+sod(n) for n = 61412891 and 61412900.
It is not an unprimeable number, because it can be changed into a prime (61412903) 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, 244548 + ... + 244798.
It is an arithmetic number, because the mean of its divisors is an integer number (2381400).
Almost surely, 261412923 is an apocalyptic number.
61412923 is a deficient number, since it is larger than the sum of its proper divisors (14791877).
61412923 is a wasteful number, since it uses less digits than its factorization.
61412923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363.
The product of its digits is 2592, while the sum is 28.
The square root of 61412923 is about 7836.6397773536. The cubic root of 61412923 is about 394.5359566876.
The spelling of 61412923 in words is "sixty-one million, four hundred twelve thousand, nine hundred twenty-three".
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