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30252322 = 215126161
BaseRepresentation
bin111001101100…
…1110100100010
32002220222101101
41303121310202
530221033242
63000225014
7515066122
oct163316442
962828341
1030252322
1116093021
12a16b16a
136362aa9
144036c82
1529c89b7
hex1cd9d22

30252322 has 4 divisors (see below), whose sum is σ = 45378486. Its totient is φ = 15126160.

The previous prime is 30252317. The next prime is 30252323. The reversal of 30252322 is 22325203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 123201 = 5489^2 + 351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30252322.

It is not an unprimeable number, because it can be changed into a prime (30252323) 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 as a sum of consecutive naturals, namely, 7563079 + ... + 7563082.

Almost surely, 230252322 is an apocalyptic number.

30252322 is a deficient number, since it is larger than the sum of its proper divisors (15126164).

30252322 is a wasteful number, since it uses less digits than its factorization.

30252322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15126163.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30252322 is about 5500.2110868584. The cubic root of 30252322 is about 311.5919564444.

Adding to 30252322 its reverse (22325203), we get a palindrome (52577525).

The spelling of 30252322 in words is "thirty million, two hundred fifty-two thousand, three hundred twenty-two".

Divisors: 1 2 15126161 30252322