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30223134 = 23216310301
BaseRepresentation
bin111001101001…
…0101100011110
32002212111100100
41303102230132
530214120014
62555441530
7514615044
oct163225436
962774310
1030223134
11160730a7
12a1562a6
136352716
14402a394
1529c0009
hex1cd2b1e

30223134 has 24 divisors (see below), whose sum is σ = 65891592. Its totient is φ = 10011600.

The previous prime is 30223111. The next prime is 30223147. The reversal of 30223134 is 43132203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2217 + ... + 8084.

It is an arithmetic number, because the mean of its divisors is an integer number (2745483).

Almost surely, 230223134 is an apocalyptic number.

30223134 is an abundant number, since it is smaller than the sum of its proper divisors (35668458).

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

30223134 is a wasteful number, since it uses less digits than its factorization.

30223134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472 (or 10469 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30223134 is about 5497.5570938372. The cubic root of 30223134 is about 311.4917143041.

Adding to 30223134 its reverse (43132203), we get a palindrome (73355337).

It can be divided in two parts, 302 and 23134, that added together give a triangular number (23436 = T216).

The spelling of 30223134 in words is "thirty million, two hundred twenty-three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 163 326 489 978 1467 2934 10301 20602 30903 61806 92709 185418 1679063 3358126 5037189 10074378 15111567 30223134