Base | Representation |
---|---|
bin | 11100000001111… |
… | …100111100100111 |
3 | 1012202220101102022 |
4 | 130001330330213 |
5 | 1430342230311 |
6 | 114355333355 |
7 | 14440155506 |
oct | 3401747447 |
9 | 1182811368 |
10 | 470273831 |
11 | 221503765 |
12 | 1115b125b |
13 | 76577951 |
14 | 4665883d |
15 | 2b4455db |
hex | 1c07cf27 |
470273831 has 4 divisors (see below), whose sum is σ = 486490200. Its totient is φ = 454057464.
The previous prime is 470273821. The next prime is 470273849. The reversal of 470273831 is 138372074.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138372074 = 2 ⋅69186037.
It is a cyclic number.
It is not a de Polignac number, because 470273831 - 210 = 470272807 is a prime.
It is a super-2 number, since 2×4702738312 = 442314952246833122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 470273791 and 470273800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (470273821) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8108141 + ... + 8108198.
It is an arithmetic number, because the mean of its divisors is an integer number (121622550).
Almost surely, 2470273831 is an apocalyptic number.
470273831 is a deficient number, since it is larger than the sum of its proper divisors (16216369).
470273831 is a wasteful number, since it uses less digits than its factorization.
470273831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16216368.
The product of its (nonzero) digits is 28224, while the sum is 35.
The square root of 470273831 is about 21685.7979101531. The cubic root of 470273831 is about 777.6489754958.
The spelling of 470273831 in words is "four hundred seventy million, two hundred seventy-three thousand, eight hundred thirty-one".
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