Base | Representation |
---|---|
bin | 1001000111011… |
… | …0011010001100 |
3 | 2122221110211110 |
4 | 2101312122030 |
5 | 34241434430 |
6 | 3443252020 |
7 | 642660426 |
oct | 221663214 |
9 | 78843743 |
10 | 38233740 |
11 | 1a644636 |
12 | 1097a010 |
13 | 7bc891c |
14 | 5113816 |
15 | 35537b0 |
hex | 247668c |
38233740 has 24 divisors (see below), whose sum is σ = 107054640. Its totient is φ = 10195648.
The previous prime is 38233733. The next prime is 38233753. The reversal of 38233740 is 4733283.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 38233698 and 38233707.
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, 318555 + ... + 318674.
It is an arithmetic number, because the mean of its divisors is an integer number (4460610).
Almost surely, 238233740 is an apocalyptic number.
38233740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38233740 is an abundant number, since it is smaller than the sum of its proper divisors (68820900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38233740 is a wasteful number, since it uses less digits than its factorization.
38233740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637241 (or 637239 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 30.
The square root of 38233740 is about 6183.3437556067. The cubic root of 38233740 is about 336.8854550585.
The spelling of 38233740 in words is "thirty-eight million, two hundred thirty-three thousand, seven hundred forty".
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