Base | Representation |
---|---|
bin | 1100010000110… |
… | …10111110001100 |
3 | 21011120101101020 |
4 | 12020122332030 |
5 | 202313332144 |
6 | 14112514140 |
7 | 2356250142 |
oct | 610327614 |
9 | 234511336 |
10 | 102870924 |
11 | 530824a2 |
12 | 2a54b950 |
13 | 1840a490 |
14 | d93b592 |
15 | 9070419 |
hex | 621af8c |
102870924 has 48 divisors (see below), whose sum is σ = 261095520. Its totient is φ = 31334400.
The previous prime is 102870923. The next prime is 102870931. The reversal of 102870924 is 429078201.
It is a happy number.
It is a super-2 number, since 2×1028709242 = 21164854009227552, which contains 22 as substring.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (102870923) 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, 12492 + ... + 19020.
It is an arithmetic number, because the mean of its divisors is an integer number (5439490).
Almost surely, 2102870924 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102870924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130547760).
102870924 is an abundant number, since it is smaller than the sum of its proper divisors (158224596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102870924 is a wasteful number, since it uses less digits than its factorization.
102870924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6650 (or 6648 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 102870924 is about 10142.5304534914. The cubic root of 102870924 is about 468.5589238646.
The spelling of 102870924 in words is "one hundred two million, eight hundred seventy thousand, nine hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •