Base | Representation |
---|---|
bin | 11001100111110… |
… | …01111110011111 |
3 | 112222102202012120 |
4 | 30303321332133 |
5 | 420010332112 |
6 | 33154434023 |
7 | 5216622003 |
oct | 1463717637 |
9 | 488382176 |
10 | 214933407 |
11 | 100362717 |
12 | 5bb92913 |
13 | 356b5540 |
14 | 2078c703 |
15 | 13d08e8c |
hex | ccf9f9f |
214933407 has 16 divisors (see below), whose sum is σ = 316965600. Its totient is φ = 128691072.
The previous prime is 214933399. The next prime is 214933427. The reversal of 214933407 is 704339412.
It is not a de Polignac number, because 214933407 - 23 = 214933399 is a prime.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214933427) 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, 73032 + ... + 75917.
It is an arithmetic number, because the mean of its divisors is an integer number (19810350).
Almost surely, 2214933407 is an apocalyptic number.
214933407 is a deficient number, since it is larger than the sum of its proper divisors (102032193).
214933407 is a wasteful number, since it uses less digits than its factorization.
214933407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149002.
The product of its (nonzero) digits is 18144, while the sum is 33.
The square root of 214933407 is about 14660.6073202988. The cubic root of 214933407 is about 599.0107838709.
The spelling of 214933407 in words is "two hundred fourteen million, nine hundred thirty-three thousand, four hundred seven".
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