Search a number
-
+
180901134 = 2333350021
BaseRepresentation
bin10101100100001…
…01010100001110
3110121101201201000
422302011110032
5332302314014
625541201130
74324430361
oct1262052416
9417351630
10180901134
1193128777
12507001a6
132b62b0bb
141a0500d8
1510d35509
hexac8550e

180901134 has 16 divisors (see below), whose sum is σ = 402002640. Its totient is φ = 60300360.

The previous prime is 180901117. The next prime is 180901153. The reversal of 180901134 is 431109081.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 180901098 and 180901107.

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, 1674957 + ... + 1675064.

It is an arithmetic number, because the mean of its divisors is an integer number (25125165).

Almost surely, 2180901134 is an apocalyptic number.

180901134 is an abundant number, since it is smaller than the sum of its proper divisors (221101506).

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

180901134 is a wasteful number, since it uses less digits than its factorization.

180901134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350032 (or 3350026 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 180901134 is about 13449.9492192350. The cubic root of 180901134 is about 565.5622710733.

The spelling of 180901134 in words is "one hundred eighty million, nine hundred one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 3350021 6700042 10050063 20100126 30150189 60300378 90450567 180901134