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30623252 = 22112233121
BaseRepresentation
bin111010011010…
…0011000010100
32010121211012112
41310310120110
530314421002
63012210152
7521202422
oct164643024
963554175
1030623252
1116316780
12a309958
13646288a
1440d2112
152a4d852
hex1d34614

30623252 has 24 divisors (see below), whose sum is σ = 58743552. Its totient is φ = 13852800.

The previous prime is 30623251. The next prime is 30623287. The reversal of 30623252 is 25232603.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30623251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8252 + ... + 11372.

It is an arithmetic number, because the mean of its divisors is an integer number (2447648).

Almost surely, 230623252 is an apocalyptic number.

It is an amenable number.

30623252 is a deficient number, since it is larger than the sum of its proper divisors (28120300).

30623252 is a wasteful number, since it uses less digits than its factorization.

30623252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30623252 is about 5533.8279698596. The cubic root of 30623252 is about 312.8602846243.

Adding to 30623252 its reverse (25232603), we get a palindrome (55855855).

The spelling of 30623252 in words is "thirty million, six hundred twenty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 223 446 892 2453 3121 4906 6242 9812 12484 34331 68662 137324 695983 1391966 2783932 7655813 15311626 30623252