Base | Representation |
---|---|
bin | 1110101001001… |
… | …1111011001001 |
3 | 11021120121221020 |
4 | 3222103323021 |
5 | 111211021210 |
6 | 10032303053 |
7 | 1344042456 |
oct | 352237311 |
9 | 137517836 |
10 | 61423305 |
11 | 31743269 |
12 | 186a1a89 |
13 | c957a68 |
14 | 822c82d |
15 | 55d4770 |
hex | 3a93ec9 |
61423305 has 32 divisors (see below), whose sum is σ = 102211200. Its totient is φ = 31460352.
The previous prime is 61423301. The next prime is 61423319. The reversal of 61423305 is 50332416.
It is a happy number.
It is not a de Polignac number, because 61423305 - 22 = 61423301 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61423301) 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, 146386 + ... + 146804.
It is an arithmetic number, because the mean of its divisors is an integer number (3194100).
Almost surely, 261423305 is an apocalyptic number.
It is an amenable number.
61423305 is a deficient number, since it is larger than the sum of its proper divisors (40787895).
61423305 is a wasteful number, since it uses less digits than its factorization.
61423305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 793.
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 61423305 is about 7837.3021506128. The cubic root of 61423305 is about 394.5581878473.
The spelling of 61423305 in words is "sixty-one million, four hundred twenty-three thousand, three hundred five".
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