Base | Representation |
---|---|
bin | 10000101111101… |
… | …11000001010000 |
3 | 100210022201220111 |
4 | 20113313001100 |
5 | 241430104100 |
6 | 21534451104 |
7 | 3323665345 |
oct | 1027670120 |
9 | 323281814 |
10 | 140472400 |
11 | 72324aa2 |
12 | 3b063a94 |
13 | 23144383 |
14 | 149287cc |
15 | c4eb6ba |
hex | 85f7050 |
140472400 has 60 divisors (see below), whose sum is σ = 345375712. Its totient is φ = 54875520.
The previous prime is 140472391. The next prime is 140472403. The reversal of 140472400 is 4274041.
140472400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140472403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13117 + ... + 21283.
Almost surely, 2140472400 is an apocalyptic number.
140472400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 140472400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172687856).
140472400 is an abundant number, since it is smaller than the sum of its proper divisors (204903312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140472400 is a wasteful number, since it uses less digits than its factorization.
140472400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8228 (or 8217 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 22.
The square root of 140472400 is about 11852.1052982160. The cubic root of 140472400 is about 519.8327864725.
The spelling of 140472400 in words is "one hundred forty million, four hundred seventy-two thousand, four hundred".
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