Search a number
-
+
245552132 = 22721252817
BaseRepresentation
bin11101010001011…
…01010000000100
3122010001100012102
432220231100010
51000330132012
640211011232
76041105300
oct1650552004
9563040172
10245552132
11116675a51
126a299b18
133bb46027
142487cd00
15168562c2
hexea2d404

245552132 has 18 divisors (see below), whose sum is σ = 499874382. Its totient is φ = 105236544.

The previous prime is 245552101. The next prime is 245552171. The reversal of 245552132 is 231255542.

It can be written as a sum of positive squares in only one way, i.e., 241926916 + 3625216 = 15554^2 + 1904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245552095 and 245552104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626213 + ... + 626604.

It is an arithmetic number, because the mean of its divisors is an integer number (27770799).

Almost surely, 2245552132 is an apocalyptic number.

It is an amenable number.

245552132 is an abundant number, since it is smaller than the sum of its proper divisors (254322250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245552132 is a wasteful number, since it uses less digits than its factorization.

245552132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252835 (or 1252826 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 245552132 is about 15670.1031266549. The cubic root of 245552132 is about 626.2021721422.

The spelling of 245552132 in words is "two hundred forty-five million, five hundred fifty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 1252817 2505634 5011268 8769719 17539438 35078876 61388033 122776066 245552132