Search a number
-
+
149825233 = 178813249
BaseRepresentation
bin10001110111000…
…10011011010001
3101102220220120201
420323202123101
5301323401413
622511135201
73466331155
oct1073423321
9342826521
10149825233
1177632a08
1242214501
132506a4ac
1415c81065
15d2479dd
hex8ee26d1

149825233 has 4 divisors (see below), whose sum is σ = 158638500. Its totient is φ = 141011968.

The previous prime is 149825227. The next prime is 149825239. The reversal of 149825233 is 332528941.

149825233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (149825227) and next prime (149825239).

It can be written as a sum of positive squares in 2 ways, for example, as 139405249 + 10419984 = 11807^2 + 3228^2 .

It is a cyclic number.

It is not a de Polignac number, because 149825233 - 221 = 147728081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149825192 and 149825201.

It is not an unprimeable number, because it can be changed into a prime (149825239) 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, 4406608 + ... + 4406641.

It is an arithmetic number, because the mean of its divisors is an integer number (39659625).

Almost surely, 2149825233 is an apocalyptic number.

It is an amenable number.

149825233 is a deficient number, since it is larger than the sum of its proper divisors (8813267).

149825233 is an equidigital number, since it uses as much as digits as its factorization.

149825233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813266.

The product of its digits is 51840, while the sum is 37.

The square root of 149825233 is about 12240.3118015841. The cubic root of 149825233 is about 531.1228514532.

The spelling of 149825233 in words is "one hundred forty-nine million, eight hundred twenty-five thousand, two hundred thirty-three".

Divisors: 1 17 8813249 149825233