Search a number
-
+
30102322 = 243541647
BaseRepresentation
bin111001011010…
…1001100110010
32002122100121211
41302311030302
530201233242
62553110334
7513602605
oct162651462
962570554
1030102322
1115aa0358
12a0b83aa
13630c733
143dd833c
152999317
hex1cb5332

30102322 has 16 divisors (see below), whose sum is σ = 46360512. Its totient is φ = 14651280.

The previous prime is 30102299. The next prime is 30102329. The reversal of 30102322 is 22320103.

It is a happy number.

It is a super-2 number, since 2×301023222 = 1812299579583368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30102329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46203 + ... + 46849.

It is an arithmetic number, because the mean of its divisors is an integer number (2897532).

Almost surely, 230102322 is an apocalyptic number.

30102322 is a deficient number, since it is larger than the sum of its proper divisors (16258190).

30102322 is a wasteful number, since it uses less digits than its factorization.

30102322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30102322 is about 5486.5583018865. The cubic root of 30102322 is about 311.0761144402.

Adding to 30102322 its reverse (22320103), we get a palindrome (52422425).

The spelling of 30102322 in words is "thirty million, one hundred two thousand, three hundred twenty-two".

Divisors: 1 2 43 86 541 647 1082 1294 23263 27821 46526 55642 350027 700054 15051161 30102322