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233130130 = 2529803897
BaseRepresentation
bin11011110010101…
…00100010010010
3121020200020102021
431321110202102
5434140131010
635044442054
75530400452
oct1571244222
9536606367
10233130130
1110a661132
12660a932a
13393b6c2c
1422d67d62
15157008da
hexde54892

233130130 has 16 divisors (see below), whose sum is σ = 434104920. Its totient is φ = 90036352.

The previous prime is 233130127. The next prime is 233130143. The reversal of 233130130 is 31031332.

It can be written as a sum of positive squares in 4 ways, for example, as 118875409 + 114254721 = 10903^2 + 10689^2 .

It is an unprimeable number.

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, 401659 + ... + 402238.

Almost surely, 2233130130 is an apocalyptic number.

233130130 is a deficient number, since it is larger than the sum of its proper divisors (200974790).

233130130 is a wasteful number, since it uses less digits than its factorization.

233130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803933.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 233130130 is about 15268.5994773588. The cubic root of 233130130 is about 615.4594843244.

Adding to 233130130 its reverse (31031332), we get a palindrome (264161462).

The spelling of 233130130 in words is "two hundred thirty-three million, one hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 803897 1607794 4019485 8038970 23313013 46626026 116565065 233130130