[go: up one dir, main page]

Search a number
-
+
38231825 = 521529273
BaseRepresentation
bin1001000111010…
…1111100010001
32122221101012112
42101311330101
534241404300
63443235105
7642652022
oct221657421
978841175
1038231825
111a643155
1210978a95
137bc7aa8
145112c49
153552e35
hex2475f11

38231825 has 6 divisors (see below), whose sum is σ = 47407494. Its totient is φ = 30585440.

The previous prime is 38231801. The next prime is 38231863. The reversal of 38231825 is 52813283.

38231825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 10679824 + 27552001 = 3268^2 + 5249^2 .

It is not a de Polignac number, because 38231825 - 28 = 38231569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38231791 and 38231800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 764612 + ... + 764661.

It is an arithmetic number, because the mean of its divisors is an integer number (7901249).

Almost surely, 238231825 is an apocalyptic number.

It is an amenable number.

38231825 is a deficient number, since it is larger than the sum of its proper divisors (9175669).

38231825 is a wasteful number, since it uses less digits than its factorization.

38231825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529283 (or 1529278 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 38231825 is about 6183.1889021766. The cubic root of 38231825 is about 336.8798304765.

The spelling of 38231825 in words is "thirty-eight million, two hundred thirty-one thousand, eight hundred twenty-five".

Divisors: 1 5 25 1529273 7646365 38231825