Base | Representation |
---|---|
bin | 1110100110010… |
… | …1110100101000 |
3 | 11021020000220102 |
4 | 3221211310220 |
5 | 111134000342 |
6 | 10024244532 |
7 | 1342325105 |
oct | 351456450 |
9 | 137200812 |
10 | 61234472 |
11 | 31624402 |
12 | 18610748 |
13 | c8bcb20 |
14 | 81bdaac |
15 | 5598832 |
hex | 3a65d28 |
61234472 has 32 divisors (see below), whose sum is σ = 124367880. Its totient is φ = 28097280.
The previous prime is 61234469. The next prime is 61234501. The reversal of 61234472 is 27443216.
61234472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 43375396 + 17859076 = 6586^2 + 4226^2 .
It is a super-2 number, since 2×612344722 = 7499321122237568, which contains 22 as substring.
It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17198 + ... + 20450.
Almost surely, 261234472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61234472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62183940).
61234472 is an abundant number, since it is smaller than the sum of its proper divisors (63133408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61234472 is a wasteful number, since it uses less digits than its factorization.
61234472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3453 (or 3449 counting only the distinct ones).
The product of its digits is 8064, while the sum is 29.
The square root of 61234472 is about 7825.2458108356. The cubic root of 61234472 is about 394.1534441454.
Adding to 61234472 its reverse (27443216), we get a palindrome (88677688).
The spelling of 61234472 in words is "sixty-one million, two hundred thirty-four thousand, four hundred seventy-two".
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