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30302052 = 22311229561
BaseRepresentation
bin111001110010…
…1111101100100
32010000111121020
41303211331210
530224131202
63001251140
7515364114
oct163457544
963014536
1030302052
1116117420
12a193ab0
13637c611
14404b044
1529d85bc
hex1ce5f64

30302052 has 24 divisors (see below), whose sum is σ = 77132832. Its totient is φ = 9182400.

The previous prime is 30302033. The next prime is 30302053. The reversal of 30302052 is 25020303.

It is not an unprimeable number, because it can be changed into a prime (30302053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114649 + ... + 114912.

It is an arithmetic number, because the mean of its divisors is an integer number (3213868).

Almost surely, 230302052 is an apocalyptic number.

It is an amenable number.

30302052 is an abundant number, since it is smaller than the sum of its proper divisors (46830780).

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

30302052 is a wasteful number, since it uses less digits than its factorization.

30302052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229579 (or 229577 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 30302052 is about 5504.7299661291. The cubic root of 30302052 is about 311.7625988284.

Adding to 30302052 its reverse (25020303), we get a palindrome (55322355).

The spelling of 30302052 in words is "thirty million, three hundred two thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 229561 459122 688683 918244 1377366 2525171 2754732 5050342 7575513 10100684 15151026 30302052