Base | Representation |
---|---|
bin | 11011111010111… |
… | …01100000010010 |
3 | 121022201101012000 |
4 | 31331131200102 |
5 | 434424343232 |
6 | 35124014430 |
7 | 5542540566 |
oct | 1575354022 |
9 | 538641160 |
10 | 234215442 |
11 | 11023258a |
12 | 66531416 |
13 | 396a6c26 |
14 | 2316b6a6 |
15 | 1586727c |
hex | df5d812 |
234215442 has 32 divisors (see below), whose sum is σ = 521002560. Its totient is φ = 77993280.
The previous prime is 234215437. The next prime is 234215461. The reversal of 234215442 is 244512432.
234215442 is a `hidden beast` number, since 2 + 3 + 4 + 215 + 442 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 81258 + ... + 84090.
It is an arithmetic number, because the mean of its divisors is an integer number (16281330).
Almost surely, 2234215442 is an apocalyptic number.
234215442 is an abundant number, since it is smaller than the sum of its proper divisors (286787118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
234215442 is a wasteful number, since it uses less digits than its factorization.
234215442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4375 (or 4369 counting only the distinct ones).
The product of its digits is 7680, while the sum is 27.
The square root of 234215442 is about 15304.0988627230. The cubic root of 234215442 is about 616.4130743349.
Adding to 234215442 its reverse (244512432), we get a palindrome (478727874).
The spelling of 234215442 in words is "two hundred thirty-four million, two hundred fifteen thousand, four hundred forty-two".
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