Base | Representation |
---|---|
bin | 1110101011001… |
… | …1010111010111 |
3 | 11021211011120221 |
4 | 3222303113113 |
5 | 111224131322 |
6 | 10035135211 |
7 | 1345120102 |
oct | 352632727 |
9 | 137734527 |
10 | 61552087 |
11 | 31820aa3 |
12 | 18744507 |
13 | c9a156c |
14 | 8263739 |
15 | 560c9c7 |
hex | 3ab35d7 |
61552087 has 12 divisors (see below), whose sum is σ = 65675896. Its totient is φ = 57674880.
The previous prime is 61552069. The next prime is 61552097. The reversal of 61552087 is 78025516.
It is not a de Polignac number, because 61552087 - 223 = 53163479 is a prime.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61552037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107512 + ... + 108082.
Almost surely, 261552087 is an apocalyptic number.
61552087 is a deficient number, since it is larger than the sum of its proper divisors (4123809).
61552087 is a wasteful number, since it uses less digits than its factorization.
61552087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 978 (or 961 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 34.
The square root of 61552087 is about 7845.5138136390. The cubic root of 61552087 is about 394.8337429889.
The spelling of 61552087 in words is "sixty-one million, five hundred fifty-two thousand, eighty-seven".
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