Base | Representation |
---|---|
bin | 11100001011101… |
… | …111001100011011 |
3 | 1012221201201002022 |
4 | 130023233030123 |
5 | 1432021321224 |
6 | 114530325055 |
7 | 14501031116 |
oct | 3413571433 |
9 | 1187651068 |
10 | 472838939 |
11 | 2229a5991 |
12 | 11242978b |
13 | 76c65371 |
14 | 46b2557d |
15 | 2b7a065e |
hex | 1c2ef31b |
472838939 has 8 divisors (see below), whose sum is σ = 504923520. Its totient is φ = 441806400.
The previous prime is 472838897. The next prime is 472838963. The reversal of 472838939 is 939838274.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 472838939 - 28 = 472838683 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (472838039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262082 + ... + 263879.
It is an arithmetic number, because the mean of its divisors is an integer number (63115440).
Almost surely, 2472838939 is an apocalyptic number.
472838939 is a deficient number, since it is larger than the sum of its proper divisors (32084581).
472838939 is a wasteful number, since it uses less digits than its factorization.
472838939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526021.
The product of its digits is 2612736, while the sum is 53.
The square root of 472838939 is about 21744.8600593336. The cubic root of 472838939 is about 779.0603076699.
The spelling of 472838939 in words is "four hundred seventy-two million, eight hundred thirty-eight thousand, nine hundred thirty-nine".
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