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30132255 = 352008817
BaseRepresentation
bin111001011110…
…0100000011111
32002200212200110
41302330200133
530203213010
62553501103
7514056066
oct162744037
962625613
1030132255
111601089a
12a111793
13632024a
1440051dd
1529a3120
hex1cbc81f

30132255 has 8 divisors (see below), whose sum is σ = 48211632. Its totient is φ = 16070528.

The previous prime is 30132251. The next prime is 30132269. The reversal of 30132255 is 55223103.

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

It is a cyclic number.

It is not a de Polignac number, because 30132255 - 22 = 30132251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132251) 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, 1004394 + ... + 1004423.

It is an arithmetic number, because the mean of its divisors is an integer number (6026454).

Almost surely, 230132255 is an apocalyptic number.

30132255 is a deficient number, since it is larger than the sum of its proper divisors (18079377).

30132255 is a wasteful number, since it uses less digits than its factorization.

30132255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008825.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30132255 is about 5489.2854726276. The cubic root of 30132255 is about 311.1791890655.

Adding to 30132255 its reverse (55223103), we get a palindrome (85355358).

The spelling of 30132255 in words is "thirty million, one hundred thirty-two thousand, two hundred fifty-five".

Divisors: 1 3 5 15 2008817 6026451 10044085 30132255