Base | Representation |
---|---|
bin | 1100010101110… |
… | …0111101101111 |
3 | 10121101201202100 |
4 | 3011130331233 |
5 | 101222323012 |
6 | 5045230143 |
7 | 1165650504 |
oct | 305347557 |
9 | 117351670 |
10 | 51761007 |
11 | 272438a1 |
12 | 15402353 |
13 | a953b1c |
14 | 6c354ab |
15 | 48268dc |
hex | 315cf6f |
51761007 has 6 divisors (see below), whose sum is σ = 74765912. Its totient is φ = 34507332.
The previous prime is 51760999. The next prime is 51761011. The reversal of 51761007 is 70016715.
It is not a de Polignac number, because 51761007 - 23 = 51760999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51761077) 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 5 ways as a sum of consecutive naturals, for example, 2875603 + ... + 2875620.
Almost surely, 251761007 is an apocalyptic number.
51761007 is a deficient number, since it is larger than the sum of its proper divisors (23004905).
51761007 is a wasteful number, since it uses less digits than its factorization.
51761007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5751229 (or 5751226 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 27.
The square root of 51761007 is about 7194.5122836784. The cubic root of 51761007 is about 372.6784142995.
The spelling of 51761007 in words is "fifty-one million, seven hundred sixty-one thousand, seven".
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