Search a number
-
+
30913266 = 2319271169
BaseRepresentation
bin111010111101…
…1001011110010
32011011120000210
41311323023302
530403211031
63022324550
7523521066
oct165731362
964146023
1030913266
11164a465a
12a429756
136534897
144169aa6
152aa9746
hex1d7b2f2

30913266 has 16 divisors (see below), whose sum is σ = 65080800. Its totient is φ = 9762048.

The previous prime is 30913261. The next prime is 30913271. The reversal of 30913266 is 66231903.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30913261) and next prime (30913271).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30913261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135471 + ... + 135698.

It is an arithmetic number, because the mean of its divisors is an integer number (4067550).

Almost surely, 230913266 is an apocalyptic number.

30913266 is an abundant number, since it is smaller than the sum of its proper divisors (34167534).

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

30913266 is a wasteful number, since it uses less digits than its factorization.

30913266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271193.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 30913266 is about 5559.9699639476. The cubic root of 30913266 is about 313.8448189896.

The spelling of 30913266 in words is "thirty million, nine hundred thirteen thousand, two hundred sixty-six".

Divisors: 1 2 3 6 19 38 57 114 271169 542338 813507 1627014 5152211 10304422 15456633 30913266