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24220045 = 543111239
BaseRepresentation
bin101110001100…
…1000110001101
31200120111122201
41130121012031
522200020140
62223041501
7412603243
oct134310615
950514581
1024220045
1112742973
128140291
1350301b5
143306793
1521d649a
hex171918d

24220045 has 8 divisors (see below), whose sum is σ = 29134080. Its totient is φ = 19329360.

The previous prime is 24220039. The next prime is 24220061. The reversal of 24220045 is 54002242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 24220045 - 23 = 24220037 is a prime.

It is a super-2 number, since 2×242200452 = 1173221159604050, which contains 22 as substring.

It is a congruent 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, 3465 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (3641760).

Almost surely, 224220045 is an apocalyptic number.

It is an amenable number.

24220045 is a deficient number, since it is larger than the sum of its proper divisors (4914035).

24220045 is a wasteful number, since it uses less digits than its factorization.

24220045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11675.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 24220045 is about 4921.3864916302. The cubic root of 24220045 is about 289.3287885287.

Adding to 24220045 its reverse (54002242), we get a palindrome (78222287).

The spelling of 24220045 in words is "twenty-four million, two hundred twenty thousand, forty-five".

Divisors: 1 5 431 2155 11239 56195 4844009 24220045