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30534355 = 516693659
BaseRepresentation
bin111010001111…
…0101011010011
32010110022021001
41310132223103
530304044410
63010242431
7520352305
oct164365323
963408231
1030534355
1116265a05
12a286417
136431287
1440ab975
152a3233a
hex1d1ead3

30534355 has 8 divisors (see below), whose sum is σ = 36673200. Its totient is φ = 24406176.

The previous prime is 30534353. The next prime is 30534373. The reversal of 30534355 is 55343503.

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 30534355 - 21 = 30534353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30534353) 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, 6516 + ... + 10174.

It is an arithmetic number, because the mean of its divisors is an integer number (4584150).

Almost surely, 230534355 is an apocalyptic number.

30534355 is a deficient number, since it is larger than the sum of its proper divisors (6138845).

30534355 is a wasteful number, since it uses less digits than its factorization.

30534355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 30534355 is about 5525.7899887708. The cubic root of 30534355 is about 312.5572545761.

Adding to 30534355 its reverse (55343503), we get a palindrome (85877858).

The spelling of 30534355 in words is "thirty million, five hundred thirty-four thousand, three hundred fifty-five".

Divisors: 1 5 1669 3659 8345 18295 6106871 30534355