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30552341 = 291053529
BaseRepresentation
bin111010010001…
…1000100010101
32010111012221012
41310203010111
530310133331
63010502005
7520455611
oct164430425
963435835
1030552341
1116278476
12a294905
136439511
1440b4341
152a3782b
hex1d23115

30552341 has 4 divisors (see below), whose sum is σ = 31605900. Its totient is φ = 29498784.

The previous prime is 30552337. The next prime is 30552367. The reversal of 30552341 is 14325503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14325503 = 31462113.

It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 10562500 = 4471^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 30552341 - 22 = 30552337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30552311) 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 in 3 ways as a sum of consecutive naturals, for example, 526736 + ... + 526793.

It is an arithmetic number, because the mean of its divisors is an integer number (7901475).

Almost surely, 230552341 is an apocalyptic number.

It is an amenable number.

30552341 is a deficient number, since it is larger than the sum of its proper divisors (1053559).

30552341 is a wasteful number, since it uses less digits than its factorization.

30552341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053558.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 30552341 is about 5527.4172087875. The cubic root of 30552341 is about 312.6186122539.

Adding to 30552341 its reverse (14325503), we get a palindrome (44877844).

The spelling of 30552341 in words is "thirty million, five hundred fifty-two thousand, three hundred forty-one".

Divisors: 1 29 1053529 30552341