Search a number
-
+
30422549 = 239127291
BaseRepresentation
bin111010000001…
…1011000010101
32010020121220002
41310003120111
530242010144
63004021045
7516405323
oct164033025
963217802
1030422549
1116199a03
12a231785
1363c2411
14407cd13
152a0e14e
hex1d03615

30422549 has 4 divisors (see below), whose sum is σ = 30550080. Its totient is φ = 30295020.

The previous prime is 30422527. The next prime is 30422551. The reversal of 30422549 is 94522403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94522403 = 653144751.

It is a cyclic number.

It is not a de Polignac number, because 30422549 - 216 = 30357013 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 (30422519) 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, 63407 + ... + 63884.

It is an arithmetic number, because the mean of its divisors is an integer number (7637520).

Almost surely, 230422549 is an apocalyptic number.

It is an amenable number.

30422549 is a deficient number, since it is larger than the sum of its proper divisors (127531).

30422549 is a wasteful number, since it uses less digits than its factorization.

30422549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127530.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 30422549 is about 5515.6639672844. The cubic root of 30422549 is about 312.1752966536.

The spelling of 30422549 in words is "thirty million, four hundred twenty-two thousand, five hundred forty-nine".

Divisors: 1 239 127291 30422549