Base | Representation |
---|---|
bin | 11100101000110… |
… | …10001001011000 |
3 | 121202000222222110 |
4 | 32110122021120 |
5 | 442444343000 |
6 | 35500552320 |
7 | 5644633632 |
oct | 1624321130 |
9 | 552028873 |
10 | 240231000 |
11 | 113671119 |
12 | 685526a0 |
13 | 3aa02029 |
14 | 23c95a52 |
15 | 16154850 |
hex | e51a258 |
240231000 has 64 divisors (see below), whose sum is σ = 749530080. Its totient is φ = 64060800.
The previous prime is 240230999. The next prime is 240231001. The reversal of 240231000 is 132042.
It is an interprime number because it is at equal distance from previous prime (240230999) and next prime (240231001).
It is a super-2 number, since 2×2402310002 = 115421866722000000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (240231001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37039 + ... + 43038.
Almost surely, 2240231000 is an apocalyptic number.
240231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
240231000 is an abundant number, since it is smaller than the sum of its proper divisors (509299080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
240231000 is a wasteful number, since it uses less digits than its factorization.
240231000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80101 (or 80087 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 240231000 is about 15499.3870846560. The cubic root of 240231000 is about 621.6458180094.
Adding to 240231000 its reverse (132042), we get a palindrome (240363042).
The spelling of 240231000 in words is "two hundred forty million, two hundred thirty-one thousand".
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