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2440423211 = 23106105357
BaseRepresentation
bin1001000101110101…
…1110011100101011
320022002002100021212
42101131132130223
514444222020321
61042054423335
7114322153322
oct22135363453
96262070255
102440423211
111042612096
12581361b4b
132cb7a0005
141921830b9
15e43ad55b
hex9175e72b

2440423211 has 4 divisors (see below), whose sum is σ = 2546528592. Its totient is φ = 2334317832.

The previous prime is 2440423177. The next prime is 2440423241. The reversal of 2440423211 is 1123240442.

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

It is a cyclic number.

It is not a de Polignac number, because 2440423211 - 218 = 2440161067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 106105357 = 2440423211 / (2 + 4 + 4 + 0 + 4 + 2 + 3 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440423241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53052656 + ... + 53052701.

It is an arithmetic number, because the mean of its divisors is an integer number (636632148).

Almost surely, 22440423211 is an apocalyptic number.

2440423211 is a deficient number, since it is larger than the sum of its proper divisors (106105381).

2440423211 is a wasteful number, since it uses less digits than its factorization.

2440423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106105380.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2440423211 is about 49400.6397833065. The cubic root of 2440423211 is about 1346.3409301109.

Adding to 2440423211 its reverse (1123240442), we get a palindrome (3563663653).

The spelling of 2440423211 in words is "two billion, four hundred forty million, four hundred twenty-three thousand, two hundred eleven".

Divisors: 1 23 106105357 2440423211