Search a number
-
+
981523234 = 2680372139
BaseRepresentation
bin111010100000001…
…101101100100010
32112101220112202101
4322200031230202
54002232220414
6241221241014
733215544526
oct7240155442
92471815671
10981523234
11464053a2a
1223486316a
1312846b1a3
14944dbd86
155b281a74
hex3a80db22

981523234 has 8 divisors (see below), whose sum is σ = 1472521680. Its totient is φ = 490682676.

The previous prime is 981523219. The next prime is 981523297. The reversal of 981523234 is 432325189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 981523193 and 981523202.

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 3 ways as a sum of consecutive naturals, for example, 22464 + ... + 49675.

It is an arithmetic number, because the mean of its divisors is an integer number (184065210).

Almost surely, 2981523234 is an apocalyptic number.

981523234 is a deficient number, since it is larger than the sum of its proper divisors (490998446).

981523234 is a wasteful number, since it uses less digits than its factorization.

981523234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78944.

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

The square root of 981523234 is about 31329.2712012265. The cubic root of 981523234 is about 993.8027514473.

The spelling of 981523234 in words is "nine hundred eighty-one million, five hundred twenty-three thousand, two hundred thirty-four".

Divisors: 1 2 6803 13606 72139 144278 490761617 981523234