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30553126 = 215276563
BaseRepresentation
bin111010010001…
…1010000100110
32010111021000021
41310203100212
530310200001
63010505354
7520461112
oct164432046
963437007
1030553126
111627901a
12a29525a
136439996
1440b4742
152a37ba1
hex1d23426

30553126 has 4 divisors (see below), whose sum is σ = 45829692. Its totient is φ = 15276562.

The previous prime is 30553111. The next prime is 30553129. The reversal of 30553126 is 62135503.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30553126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30553129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638280 + ... + 7638283.

It is an arithmetic number, because the mean of its divisors is an integer number (11457423).

Almost surely, 230553126 is an apocalyptic number.

30553126 is a deficient number, since it is larger than the sum of its proper divisors (15276566).

30553126 is a wasteful number, since it uses less digits than its factorization.

30553126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15276565.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 30553126 is about 5527.4882179883. The cubic root of 30553126 is about 312.6212896648.

Adding to 30553126 its reverse (62135503), we get a palindrome (92688629).

The spelling of 30553126 in words is "thirty million, five hundred fifty-three thousand, one hundred twenty-six".

Divisors: 1 2 15276563 30553126