Base | Representation |
---|---|
bin | 11001100011001… |
… | …11000110001110 |
3 | 112221022011221110 |
4 | 30301213012032 |
5 | 414332104130 |
6 | 33133512450 |
7 | 5211535011 |
oct | 1461470616 |
9 | 487264843 |
10 | 214331790 |
11 | aaa91712 |
12 | 5b942726 |
13 | 3553475a |
14 | 20673378 |
15 | 13c3aab0 |
hex | cc6718e |
214331790 has 32 divisors (see below), whose sum is σ = 514843776. Its totient is φ = 57105440.
The previous prime is 214331771. The next prime is 214331809. The reversal of 214331790 is 97133412.
214331790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (214331771) and next prime (214331809).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43345 + ... + 48035.
It is an arithmetic number, because the mean of its divisors is an integer number (16088868).
Almost surely, 2214331790 is an apocalyptic number.
214331790 is an abundant number, since it is smaller than the sum of its proper divisors (300511986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214331790 is a wasteful number, since it uses less digits than its factorization.
214331790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6224.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 214331790 is about 14640.0747948909. The cubic root of 214331790 is about 598.4513674454.
It can be divided in two parts, 2143 and 31790, that added together give a palindrome (33933).
The spelling of 214331790 in words is "two hundred fourteen million, three hundred thirty-one thousand, seven hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •