Base | Representation |
---|---|
bin | 1110100101000… |
… | …1110110001010 |
3 | 11021001212122222 |
4 | 3221101312022 |
5 | 111123341100 |
6 | 10022414042 |
7 | 1341534416 |
oct | 351216612 |
9 | 137055588 |
10 | 61152650 |
11 | 31578989 |
12 | 18591322 |
13 | c891800 |
14 | 819bd46 |
15 | 557e485 |
hex | 3a51d8a |
61152650 has 36 divisors (see below), whose sum is σ = 123183522. Its totient is φ = 22576320.
The previous prime is 61152647. The next prime is 61152667. The reversal of 61152650 is 5625116.
61152650 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 9 ways, for example, as 203401 + 60949249 = 451^2 + 7807^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
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 17 ways as a sum of consecutive naturals, for example, 4832 + ... + 12068.
Almost surely, 261152650 is an apocalyptic number.
61152650 is an abundant number, since it is smaller than the sum of its proper divisors (62030872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61152650 is a wasteful number, since it uses less digits than its factorization.
61152650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7275 (or 7257 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 61152650 is about 7820.0159846384. The cubic root of 61152650 is about 393.9778088801.
Adding to 61152650 its reverse (5625116), we get a palindrome (66777766).
The spelling of 61152650 in words is "sixty-one million, one hundred fifty-two thousand, six hundred fifty".
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