Base | Representation |
---|---|
bin | 1011010001000… |
… | …0011111101000 |
3 | 10021220201120220 |
4 | 2310100133220 |
5 | 44044102410 |
6 | 4404450040 |
7 | 1112435151 |
oct | 264203750 |
9 | 107821526 |
10 | 47253480 |
11 | 2474526a |
12 | 139a9920 |
13 | 9a36251 |
14 | 63c0928 |
15 | 4236070 |
hex | 2d107e8 |
47253480 has 32 divisors (see below), whose sum is σ = 141760800. Its totient is φ = 12600896.
The previous prime is 47253469. The next prime is 47253509. The reversal of 47253480 is 8435274.
It is a super-2 number, since 2×472534802 = 4465782744220800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196770 + ... + 197009.
It is an arithmetic number, because the mean of its divisors is an integer number (4430025).
Almost surely, 247253480 is an apocalyptic number.
47253480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47253480 is an abundant number, since it is smaller than the sum of its proper divisors (94507320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47253480 is a wasteful number, since it uses less digits than its factorization.
47253480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393793 (or 393789 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 33.
The square root of 47253480 is about 6874.1166705257. The cubic root of 47253480 is about 361.5302148529.
The spelling of 47253480 in words is "forty-seven million, two hundred fifty-three thousand, four hundred eighty".
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