Base | Representation |
---|---|
bin | 1001000110001… |
… | …0010100110000 |
3 | 2122210021222111 |
4 | 2101202110300 |
5 | 34231321342 |
6 | 3441415104 |
7 | 642165532 |
oct | 221422460 |
9 | 78707874 |
10 | 38151472 |
11 | 1a598847 |
12 | 1093a494 |
13 | 7b9a348 |
14 | 50d1852 |
15 | 3539217 |
hex | 2462530 |
38151472 has 20 divisors (see below), whose sum is σ = 76468320. Its totient is φ = 18417728.
The previous prime is 38151461. The next prime is 38151473. The reversal of 38151472 is 27415183.
It is not an unprimeable number, because it can be changed into a prime (38151473) 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, 40648 + ... + 41575.
It is an arithmetic number, because the mean of its divisors is an integer number (3823416).
Almost surely, 238151472 is an apocalyptic number.
It is an amenable number.
38151472 is an abundant number, since it is smaller than the sum of its proper divisors (38316848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38151472 is a wasteful number, since it uses less digits than its factorization.
38151472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82260 (or 82254 counting only the distinct ones).
The product of its digits is 6720, while the sum is 31.
The square root of 38151472 is about 6176.6877855368. The cubic root of 38151472 is about 336.6436547135.
The spelling of 38151472 in words is "thirty-eight million, one hundred fifty-one thousand, four hundred seventy-two".
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