Search a number
-
+
980723481 = 3326907827
BaseRepresentation
bin111010011101001…
…010011100011001
32112100101220200220
4322131022130121
54002031122411
6241152150253
733206004063
oct7235123431
92470356626
10980723481
11463658081
12234538389
1312824b16a
1494370733
155b174b06
hex3a74a719

980723481 has 4 divisors (see below), whose sum is σ = 1307631312. Its totient is φ = 653815652.

The previous prime is 980723477. The next prime is 980723483. The reversal of 980723481 is 184327089.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 980723481 - 22 = 980723477 is a prime.

It is a super-2 number, since 2×9807234812 = 1923637092369514722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (980723483) 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, 163453911 + ... + 163453916.

It is an arithmetic number, because the mean of its divisors is an integer number (326907828).

Almost surely, 2980723481 is an apocalyptic number.

It is an amenable number.

980723481 is a deficient number, since it is larger than the sum of its proper divisors (326907831).

980723481 is a wasteful number, since it uses less digits than its factorization.

980723481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326907830.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 980723481 is about 31316.5049295096. The cubic root of 980723481 is about 993.5327586202.

The spelling of 980723481 in words is "nine hundred eighty million, seven hundred twenty-three thousand, four hundred eighty-one".

Divisors: 1 3 326907827 980723481