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30553355 = 57872953
BaseRepresentation
bin111010010001…
…1010100001011
32010111021022202
41310203110023
530310201410
63010510415
7520461560
oct164432413
963437282
1030553355
1116279208
12a29540b
136439b11
1440b4867
152a37ca5
hex1d2350b

30553355 has 8 divisors (see below), whose sum is σ = 41901792. Its totient is φ = 20950848.

The previous prime is 30553339. The next prime is 30553363. The reversal of 30553355 is 55335503.

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 30553355 - 24 = 30553339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436442 + ... + 436511.

It is an arithmetic number, because the mean of its divisors is an integer number (5237724).

Almost surely, 230553355 is an apocalyptic number.

30553355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30553355 is a deficient number, since it is larger than the sum of its proper divisors (11348437).

30553355 is an equidigital number, since it uses as much as digits as its factorization.

30553355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872965.

The product of its (nonzero) digits is 16875, while the sum is 29.

The square root of 30553355 is about 5527.5089326025. The cubic root of 30553355 is about 312.6220707098.

Adding to 30553355 its reverse (55335503), we get a palindrome (85888858).

The spelling of 30553355 in words is "thirty million, five hundred fifty-three thousand, three hundred fifty-five".

Divisors: 1 5 7 35 872953 4364765 6110671 30553355