Base | Representation |
---|---|
bin | 1110101111100… |
… | …0010111101011 |
3 | 11022100112022020 |
4 | 3223320113223 |
5 | 111312202411 |
6 | 10045155523 |
7 | 1350405120 |
oct | 353702753 |
9 | 138315266 |
10 | 61834731 |
11 | 319a4392 |
12 | 1885bba3 |
13 | ca700ca |
14 | 82d8747 |
15 | 5666606 |
hex | 3af85eb |
61834731 has 16 divisors (see below), whose sum is σ = 96417024. Its totient is φ = 34511904.
The previous prime is 61834709. The next prime is 61834753. The reversal of 61834731 is 13743816.
It is an interprime number because it is at equal distance from previous prime (61834709) and next prime (61834753).
It is not a de Polignac number, because 61834731 - 26 = 61834667 is a prime.
It is a super-2 number, since 2×618347312 = 7647067915684722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 61834692 and 61834701.
It is not an unprimeable number, because it can be changed into a prime (61834771) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33336 + ... + 35141.
It is an arithmetic number, because the mean of its divisors is an integer number (6026064).
Almost surely, 261834731 is an apocalyptic number.
61834731 is a deficient number, since it is larger than the sum of its proper divisors (34582293).
61834731 is a wasteful number, since it uses less digits than its factorization.
61834731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68530.
The product of its digits is 12096, while the sum is 33.
The square root of 61834731 is about 7863.5062790081. The cubic root of 61834731 is about 395.4371723328.
The spelling of 61834731 in words is "sixty-one million, eight hundred thirty-four thousand, seven hundred thirty-one".
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