Base | Representation |
---|---|
bin | 1110100101000… |
… | …1110101110110 |
3 | 11021001212122020 |
4 | 3221101311312 |
5 | 111123341010 |
6 | 10022414010 |
7 | 1341534360 |
oct | 351216566 |
9 | 137055566 |
10 | 61152630 |
11 | 31578970 |
12 | 18591306 |
13 | c8917b6 |
14 | 819bd30 |
15 | 557e470 |
hex | 3a51d76 |
61152630 has 128 divisors (see below), whose sum is σ = 191102976. Its totient is φ = 12144000.
The previous prime is 61152613. The next prime is 61152643. The reversal of 61152630 is 3625116.
It is a self number, because there is not a number n which added to its sum of digits gives 61152630.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52555 + ... + 53705.
It is an arithmetic number, because the mean of its divisors is an integer number (1492992).
Almost surely, 261152630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61152630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95551488).
61152630 is an abundant number, since it is smaller than the sum of its proper divisors (129950346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61152630 is a wasteful number, since it uses less digits than its factorization.
61152630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1202.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 61152630 is about 7820.0147058685. The cubic root of 61152630 is about 393.9777659299.
Adding to 61152630 its reverse (3625116), we get a palindrome (64777746).
The spelling of 61152630 in words is "sixty-one million, one hundred fifty-two thousand, six hundred thirty".
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