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30113233 = 192368909
BaseRepresentation
bin111001011011…
…1110111010001
32002122220120221
41302313313101
530202110413
62553233041
7513646453
oct162676721
962586527
1030113233
1115aa8577
12a102781
1363146a7
143ddc2d3
15299c68d
hex1cb7dd1

30113233 has 8 divisors (see below), whose sum is σ = 33076800. Its totient is φ = 27287568.

The previous prime is 30113231. The next prime is 30113263. The reversal of 30113233 is 33231103.

Adding to 30113233 its reverse (33231103), we get a palindrome (63344336).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30113233 - 21 = 30113231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30113231) 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, 34018 + ... + 34891.

It is an arithmetic number, because the mean of its divisors is an integer number (4134600).

Almost surely, 230113233 is an apocalyptic number.

It is an amenable number.

30113233 is a deficient number, since it is larger than the sum of its proper divisors (2963567).

30113233 is a wasteful number, since it uses less digits than its factorization.

30113233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68951.

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

The square root of 30113233 is about 5487.5525510012. The cubic root of 30113233 is about 311.1136945033.

The spelling of 30113233 in words is "thirty million, one hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 19 23 437 68909 1309271 1584907 30113233