Base | Representation |
---|---|
bin | 1001000101100… |
… | …0000010111100 |
3 | 2122201011020020 |
4 | 2101120002330 |
5 | 34223444442 |
6 | 3440452140 |
7 | 641632020 |
oct | 221300274 |
9 | 78634206 |
10 | 38109372 |
11 | 1a56a154 |
12 | 1091a050 |
13 | 7b84132 |
14 | 50c0380 |
15 | 352b9ec |
hex | 24580bc |
38109372 has 24 divisors (see below), whose sum is σ = 101625216. Its totient is φ = 10888368.
The previous prime is 38109349. The next prime is 38109391. The reversal of 38109372 is 27390183.
It is a congruent number.
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, 226758 + ... + 226925.
It is an arithmetic number, because the mean of its divisors is an integer number (4234384).
Almost surely, 238109372 is an apocalyptic number.
It is an amenable number.
38109372 is an abundant number, since it is smaller than the sum of its proper divisors (63515844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38109372 is a wasteful number, since it uses less digits than its factorization.
38109372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 453697 (or 453695 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 38109372 is about 6173.2788694502. The cubic root of 38109372 is about 336.5197808192.
The spelling of 38109372 in words is "thirty-eight million, one hundred nine thousand, three hundred seventy-two".
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