Base | Representation |
---|---|
bin | 1110101000110… |
… | …0100010000000 |
3 | 11021112002101201 |
4 | 3222030202000 |
5 | 111204034044 |
6 | 10031510544 |
7 | 1343555260 |
oct | 352144200 |
9 | 137462351 |
10 | 61393024 |
11 | 31722540 |
12 | 18688454 |
13 | c947044 |
14 | 82217a0 |
15 | 55ca7d4 |
hex | 3a8c880 |
61393024 has 64 divisors (see below), whose sum is σ = 152510400. Its totient is φ = 23915520.
The previous prime is 61393021. The next prime is 61393043. The reversal of 61393024 is 42039316.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 61392983 and 61393001.
It is not an unprimeable number, because it can be changed into a prime (61393021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6742 + ... + 12970.
It is an arithmetic number, because the mean of its divisors is an integer number (2382975).
Almost surely, 261393024 is an apocalyptic number.
61393024 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61393024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76255200).
61393024 is an abundant number, since it is smaller than the sum of its proper divisors (91117376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61393024 is a wasteful number, since it uses less digits than its factorization.
61393024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6261 (or 6249 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 61393024 is about 7835.3700614585. The cubic root of 61393024 is about 394.4933396035.
The spelling of 61393024 in words is "sixty-one million, three hundred ninety-three thousand, twenty-four".
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