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2440311325 = 521711934813
BaseRepresentation
bin1001000101110100…
…0011001000011101
320022001212122210221
42101131003020131
514444204430300
61042052201341
7114321206164
oct22135031035
96261778727
102440311325
111042546021
12581309251
132cb7610ca
141921543db
15e438a31a
hex9174321d

2440311325 has 24 divisors (see below), whose sum is σ = 3207337128. Its totient is φ = 1835489280.

The previous prime is 2440311317. The next prime is 2440311347. The reversal of 2440311325 is 5231130442.

It can be written as a sum of positive squares in 12 ways, for example, as 149157369 + 2291153956 = 12213^2 + 47866^2 .

It is not a de Polignac number, because 2440311325 - 23 = 2440311317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440311325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504619 + ... + 509431.

It is an arithmetic number, because the mean of its divisors is an integer number (133639047).

Almost surely, 22440311325 is an apocalyptic number.

2440311325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2440311325 is a deficient number, since it is larger than the sum of its proper divisors (767025803).

2440311325 is a wasteful number, since it uses less digits than its factorization.

2440311325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033 (or 6028 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2440311325 is about 49399.5073356000. The cubic root of 2440311325 is about 1346.3203545808.

Adding to 2440311325 its reverse (5231130442), we get a palindrome (7671441767).

The spelling of 2440311325 in words is "two billion, four hundred forty million, three hundred eleven thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 1193 4813 5965 20281 24065 29825 81821 101405 120325 409105 507025 2045525 5741909 28709545 97612453 143547725 488062265 2440311325