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30222826 = 253285121
BaseRepresentation
bin111001101001…
…0100111101010
32002212110220221
41303102213222
530214112301
62555440254
7514614124
oct163224752
962773827
1030222826
1116072947
12a15608a
13635253a
14402a214
1529beda1
hex1cd29ea

30222826 has 8 divisors (see below), whose sum is σ = 46189764. Its totient is φ = 14826240.

The previous prime is 30222823. The next prime is 30222827. The reversal of 30222826 is 62822203.

It can be written as a sum of positive squares in 2 ways, for example, as 29322225 + 900601 = 5415^2 + 949^2 .

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

It is a super-2 number, since 2×302228262 = 1826838422852552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30222826.

It is not an unprimeable number, because it can be changed into a prime (30222823) 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, 142455 + ... + 142666.

Almost surely, 230222826 is an apocalyptic number.

30222826 is a deficient number, since it is larger than the sum of its proper divisors (15966938).

30222826 is a wasteful number, since it uses less digits than its factorization.

30222826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285176.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 30222826 is about 5497.5290813237. The cubic root of 30222826 is about 311.4906561767.

The spelling of 30222826 in words is "thirty million, two hundred twenty-two thousand, eight hundred twenty-six".

Divisors: 1 2 53 106 285121 570242 15111413 30222826