Base | Representation |
---|---|
bin | 100100001101011… |
… | …0000100111011111 |
3 | 10010200012002121000 |
4 | 1020122300213133 |
5 | 4442013140211 |
6 | 320321041343 |
7 | 42052053336 |
oct | 11032604737 |
9 | 3120162530 |
10 | 1214974431 |
11 | 573904300 |
12 | 29aa86253 |
13 | 1649382a8 |
14 | b750ad1d |
15 | 719e7656 |
hex | 486b09df |
1214974431 has 48 divisors (see below), whose sum is σ = 1985679360. Its totient is φ = 733669200.
The previous prime is 1214974429. The next prime is 1214974447. The reversal of 1214974431 is 1344794121.
1214974431 is a `hidden beast` number, since 1 + 214 + 9 + 7 + 4 + 431 = 666.
1214974431 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1214974431 - 21 = 1214974429 is a prime.
It is a super-2 number, since 2×12149744312 = 2952325735967547522, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214974421) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1250776 + ... + 1251746.
It is an arithmetic number, because the mean of its divisors is an integer number (41368320).
Almost surely, 21214974431 is an apocalyptic number.
1214974431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1214974431 is a deficient number, since it is larger than the sum of its proper divisors (770704929).
1214974431 is a wasteful number, since it uses less digits than its factorization.
1214974431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1385 (or 1368 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 1214974431 is about 34856.4833424142. The cubic root of 1214974431 is about 1067.0605060102.
The spelling of 1214974431 in words is "one billion, two hundred fourteen million, nine hundred seventy-four thousand, four hundred thirty-one".
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