Base | Representation |
---|---|
bin | 1110100100010… |
… | …1100010111001 |
3 | 11020222022112212 |
4 | 3221011202321 |
5 | 111120233030 |
6 | 10021344505 |
7 | 1341234500 |
oct | 351054271 |
9 | 136868485 |
10 | 61102265 |
11 | 31544044 |
12 | 18568135 |
13 | c8748b3 |
14 | 8187837 |
15 | 556e595 |
hex | 3a458b9 |
61102265 has 12 divisors (see below), whose sum is σ = 85294116. Its totient is φ = 41898528.
The previous prime is 61102253. The next prime is 61102277. The reversal of 61102265 is 56220116.
61102265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (61102253) and next prime (61102277).
It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 31595641 = 5432^2 + 5621^2 .
It is not a de Polignac number, because 61102265 - 26 = 61102201 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 61102265.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 124454 + ... + 124943.
It is an arithmetic number, because the mean of its divisors is an integer number (7107843).
Almost surely, 261102265 is an apocalyptic number.
It is an amenable number.
61102265 is a deficient number, since it is larger than the sum of its proper divisors (24191851).
61102265 is a wasteful number, since it uses less digits than its factorization.
61102265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249416 (or 249409 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 61102265 is about 7816.7937800610. The cubic root of 61102265 is about 393.8695768511.
The spelling of 61102265 in words is "sixty-one million, one hundred two thousand, two hundred sixty-five".
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