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2440020413 = 194153113523
BaseRepresentation
bin1001000101101111…
…1100000110111101
320022001022212202102
42101123330012331
514444121123123
61042042034445
7114315555065
oct22133740675
96261285672
102440020413
1110423674a6
125811a8a25
132cb68b87c
141920ba3a5
15e432e028
hex916fc1bd

2440020413 has 32 divisors (see below), whose sum is σ = 2709624960. Its totient is φ = 2188892160.

The previous prime is 2440020371. The next prime is 2440020437. The reversal of 2440020413 is 3140200442.

It is a cyclic number.

It is not a de Polignac number, because 2440020413 - 216 = 2439954877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440080413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4665170 + ... + 4665692.

It is an arithmetic number, because the mean of its divisors is an integer number (84675780).

Almost surely, 22440020413 is an apocalyptic number.

It is an amenable number.

2440020413 is a deficient number, since it is larger than the sum of its proper divisors (269604547).

2440020413 is a wasteful number, since it uses less digits than its factorization.

2440020413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2440020413 is about 49396.5627650346. The cubic root of 2440020413 is about 1346.2668537143.

Adding to 2440020413 its reverse (3140200442), we get a palindrome (5580220855).

The spelling of 2440020413 in words is "two billion, four hundred forty million, twenty thousand, four hundred thirteen".

Divisors: 1 19 41 53 113 523 779 1007 2147 2173 4633 5989 9937 21443 27719 41287 59099 88027 113791 245549 407417 526661 1122881 1136479 2423059 3132247 4665431 21593101 46038121 59512693 128422127 2440020413