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2440422031 = 4751923873
BaseRepresentation
bin1001000101110101…
…1110001010001111
320022002002021200011
42101131132022033
514444222001111
61042054414051
7114322150015
oct22135361217
96262067604
102440422031
111042611213
12581361327
132cb79c608
141921828b5
15e43ad021
hex9175e28f

2440422031 has 4 divisors (see below), whose sum is σ = 2492345952. Its totient is φ = 2388498112.

The previous prime is 2440421999. The next prime is 2440422053. The reversal of 2440422031 is 1302240442.

It is a happy number.

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 2440422031 - 25 = 2440421999 is a prime.

It is a super-2 number, since 2×24404220312 = 11911319378780329922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440421993 and 2440422011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440422091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25961890 + ... + 25961983.

It is an arithmetic number, because the mean of its divisors is an integer number (623086488).

Almost surely, 22440422031 is an apocalyptic number.

2440422031 is a deficient number, since it is larger than the sum of its proper divisors (51923921).

2440422031 is an equidigital number, since it uses as much as digits as its factorization.

2440422031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51923920.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2440422031 is about 49400.6278401398. The cubic root of 2440422031 is about 1346.3407131154.

Adding to 2440422031 its reverse (1302240442), we get a palindrome (3742662473).

The spelling of 2440422031 in words is "two billion, four hundred forty million, four hundred twenty-two thousand, thirty-one".

Divisors: 1 47 51923873 2440422031