Search a number
-
+
24220137 = 343191983
BaseRepresentation
bin101110001100…
…1000111101001
31200120111210010
41130121013221
522200021022
62223042133
7412603434
oct134310751
950514703
1024220137
1112742a47
128140349
135030256
14330681b
1521d650c
hex17191e9

24220137 has 16 divisors (see below), whose sum is σ = 33251328. Its totient is φ = 15672720.

The previous prime is 24220123. The next prime is 24220169. The reversal of 24220137 is 73102242.

It is not a de Polignac number, because 24220137 - 26 = 24220073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24220187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24148 + ... + 25130.

It is an arithmetic number, because the mean of its divisors is an integer number (2078208).

Almost surely, 224220137 is an apocalyptic number.

It is an amenable number.

24220137 is a deficient number, since it is larger than the sum of its proper divisors (9031191).

24220137 is a wasteful number, since it uses less digits than its factorization.

24220137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 24220137 is about 4921.3958385808. The cubic root of 24220137 is about 289.3291548673.

Adding to 24220137 its reverse (73102242), we get a palindrome (97322379).

The spelling of 24220137 in words is "twenty-four million, two hundred twenty thousand, one hundred thirty-seven".

Divisors: 1 3 43 129 191 573 983 2949 8213 24639 42269 126807 187753 563259 8073379 24220137