Base | Representation |
---|---|
bin | 10000101111101… |
… | …11001000100100 |
3 | 100210022202112211 |
4 | 20113313020210 |
5 | 241430112433 |
6 | 21534453204 |
7 | 3323666614 |
oct | 1027671044 |
9 | 323282484 |
10 | 140472868 |
11 | 72325388 |
12 | 3b064204 |
13 | 23144653 |
14 | 14928a44 |
15 | c4eb8cd |
hex | 85f7224 |
140472868 has 48 divisors (see below), whose sum is σ = 272724480. Its totient is φ = 63068544.
The previous prime is 140472863. The next prime is 140472869. The reversal of 140472868 is 868274041.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 140472868.
It is not an unprimeable number, because it can be changed into a prime (140472863) 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, 98005 + ... + 99427.
It is an arithmetic number, because the mean of its divisors is an integer number (5681760).
Almost surely, 2140472868 is an apocalyptic number.
It is an amenable number.
140472868 is a deficient number, since it is larger than the sum of its proper divisors (132251612).
140472868 is a wasteful number, since it uses less digits than its factorization.
140472868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1516 (or 1514 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 40.
The square root of 140472868 is about 11852.1250415274. The cubic root of 140472868 is about 519.8333637662.
The spelling of 140472868 in words is "one hundred forty million, four hundred seventy-two thousand, eight hundred sixty-eight".
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