Base | Representation |
---|---|
bin | 100110100010… |
… | …011100101100 |
3 | 201000021010100 |
4 | 212202130230 |
5 | 10041240242 |
6 | 1000311100 |
7 | 151604364 |
oct | 46423454 |
9 | 21007110 |
10 | 10102572 |
11 | 5780237 |
12 | 3472490 |
13 | 212946c |
14 | 14ad9a4 |
15 | d4854c |
hex | 9a272c |
10102572 has 18 divisors (see below), whose sum is σ = 25537148. Its totient is φ = 3367512.
The previous prime is 10102537. The next prime is 10102597. The reversal of 10102572 is 27520101.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×101025722 = 204123922030368, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140278 + ... + 140349.
Almost surely, 210102572 is an apocalyptic number.
10102572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10102572 is an abundant number, since it is smaller than the sum of its proper divisors (15434576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10102572 is a wasteful number, since it uses less digits than its factorization.
10102572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280637 (or 280632 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 18.
The square root of 10102572 is about 3178.4543413427. The cubic root of 10102572 is about 216.1775803032.
Adding to 10102572 its reverse (27520101), we get a palindrome (37622673).
The spelling of 10102572 in words is "ten million, one hundred two thousand, five hundred seventy-two".
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