Base | Representation |
---|---|
bin | 1100001110010… |
… | …00111001001011 |
3 | 21010221022012122 |
4 | 12013020321023 |
5 | 202222102411 |
6 | 14101401455 |
7 | 2353350035 |
oct | 607107113 |
9 | 233838178 |
10 | 102534731 |
11 | 52972952 |
12 | 2a40928b |
13 | 18320450 |
14 | d890c55 |
15 | 90059db |
hex | 61c8e4b |
102534731 has 16 divisors (see below), whose sum is σ = 112256256. Its totient is φ = 93090816.
The previous prime is 102534703. The next prime is 102534737. The reversal of 102534731 is 137435201.
It is not a de Polignac number, because 102534731 - 210 = 102533707 is a prime.
It is a super-2 number, since 2×1025347312 = 21026742122484722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102534731.
It is not an unprimeable number, because it can be changed into a prime (102534737) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 327431 + ... + 327743.
It is an arithmetic number, because the mean of its divisors is an integer number (7016016).
Almost surely, 2102534731 is an apocalyptic number.
102534731 is a deficient number, since it is larger than the sum of its proper divisors (9721525).
102534731 is a wasteful number, since it uses less digits than its factorization.
102534731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 662.
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 102534731 is about 10125.9434622162. The cubic root of 102534731 is about 468.0479335203.
Adding to 102534731 its reverse (137435201), we get a palindrome (239969932).
The spelling of 102534731 in words is "one hundred two million, five hundred thirty-four thousand, seven hundred thirty-one".
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