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2039438291 = 11641289241
BaseRepresentation
bin111100110001111…
…0101101111010011
312021010120012101112
41321203311233103
513134044011131
6534212123535
7101352640142
oct17143655723
95233505345
102039438291
119572341a0
1248b0065ab
132666a5327
14154c03759
15be0a302b
hex798f5bd3

2039438291 has 8 divisors (see below), whose sum is σ = 2228320368. Its totient is φ = 1851136000.

The previous prime is 2039438237. The next prime is 2039438327. The reversal of 2039438291 is 1928349302.

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 2039438291 - 230 = 965696467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2039438231) 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, 137570 + ... + 151671.

It is an arithmetic number, because the mean of its divisors is an integer number (278540046).

Almost surely, 22039438291 is an apocalyptic number.

2039438291 is a deficient number, since it is larger than the sum of its proper divisors (188882077).

2039438291 is a wasteful number, since it uses less digits than its factorization.

2039438291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289893.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2039438291 is about 45160.1405112960. The cubic root of 2039438291 is about 1268.1487258254.

It can be divided in two parts, 20394 and 38291, that added together give a palindrome (58685).

The spelling of 2039438291 in words is "two billion, thirty-nine million, four hundred thirty-eight thousand, two hundred ninety-one".

Divisors: 1 11 641 7051 289241 3181651 185403481 2039438291