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30132355 = 5115310337
BaseRepresentation
bin111001011110…
…0100010000011
32002200212211011
41302330202003
530203213410
62553501351
7514056301
oct162744203
962625734
1030132355
1116010980
12a111857
1363202c6
144005271
1529a318a
hex1cbc883

30132355 has 16 divisors (see below), whose sum is σ = 40194144. Its totient is φ = 21498880.

The previous prime is 30132269. The next prime is 30132359. The reversal of 30132355 is 55323103.

It is a happy number.

It is not a de Polignac number, because 30132355 - 213 = 30124163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30132359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2254 + ... + 8083.

It is an arithmetic number, because the mean of its divisors is an integer number (2512134).

Almost surely, 230132355 is an apocalyptic number.

30132355 is a deficient number, since it is larger than the sum of its proper divisors (10061789).

30132355 is a wasteful number, since it uses less digits than its factorization.

30132355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 30132355 is about 5489.2945812736. The cubic root of 30132355 is about 311.1795333022.

Adding to 30132355 its reverse (55323103), we get a palindrome (85455458).

The spelling of 30132355 in words is "thirty million, one hundred thirty-two thousand, three hundred fifty-five".

Divisors: 1 5 11 53 55 265 583 2915 10337 51685 113707 547861 568535 2739305 6026471 30132355