Base | Representation |
---|---|
bin | 11100001100010… |
… | …001001011100100 |
3 | 1012221222210001012 |
4 | 130030101023210 |
5 | 1432040300043 |
6 | 114533321352 |
7 | 14502151016 |
oct | 3414211344 |
9 | 1187883035 |
10 | 472978148 |
11 | 222a90535 |
12 | 112496258 |
13 | 76cb3836 |
14 | 46b601b6 |
15 | 2b7cba18 |
hex | 1c3112e4 |
472978148 has 48 divisors (see below), whose sum is σ = 898128000. Its totient is φ = 217112064.
The previous prime is 472978123. The next prime is 472978157. The reversal of 472978148 is 841879274.
It is a super-3 number, since 3×4729781483 (a number of 27 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 472978096 and 472978105.
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, 947603 + ... + 948101.
It is an arithmetic number, because the mean of its divisors is an integer number (18711000).
Almost surely, 2472978148 is an apocalyptic number.
It is an amenable number.
472978148 is a deficient number, since it is larger than the sum of its proper divisors (425149852).
472978148 is a wasteful number, since it uses less digits than its factorization.
472978148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836 (or 834 counting only the distinct ones).
The product of its digits is 903168, while the sum is 50.
The square root of 472978148 is about 21748.0607871139. The cubic root of 472978148 is about 779.1367548178.
The spelling of 472978148 in words is "four hundred seventy-two million, nine hundred seventy-eight thousand, one hundred forty-eight".
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