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2040450311 = 23911817229
BaseRepresentation
bin111100110011110…
…1100110100000111
312021012110121121202
41321213230310013
513134323402221
6534245533115
7101364353504
oct17147546407
95235417552
102040450311
11957865579
1248b41419b
1326696ab63
14154dc84ab
15be202d0b
hex799ecd07

2040450311 has 8 divisors (see below), whose sum is σ = 2051006400. Its totient is φ = 2029911520.

The previous prime is 2040450301. The next prime is 2040450317. The reversal of 2040450311 is 1130540402.

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

It is a cyclic number.

It is not a de Polignac number, because 2040450311 - 222 = 2036256007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040450317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278645 + ... + 285873.

It is an arithmetic number, because the mean of its divisors is an integer number (256375800).

Almost surely, 22040450311 is an apocalyptic number.

2040450311 is a deficient number, since it is larger than the sum of its proper divisors (10556089).

2040450311 is a wasteful number, since it uses less digits than its factorization.

2040450311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2040450311 is about 45171.3439140347. The cubic root of 2040450311 is about 1268.3584534506.

Adding to 2040450311 its reverse (1130540402), we get a palindrome (3170990713).

Subtracting from 2040450311 its reverse (1130540402), we obtain a palindrome (909909909).

The spelling of 2040450311 in words is "two billion, forty million, four hundred fifty thousand, three hundred eleven".

Divisors: 1 239 1181 7229 282259 1727731 8537449 2040450311