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2042489269 = 15157123689
BaseRepresentation
bin111100110111101…
…1110100110110101
312021100022012112201
41321233132212311
513140334124034
6534401344501
7101420605132
oct17157364665
95240265481
102042489269
11958a28467
12490038131
13267202c42
14155399589
15be4a7014
hex79bde9b5

2042489269 has 8 divisors (see below), whose sum is σ = 2059703360. Its totient is φ = 2025324000.

The previous prime is 2042489257. The next prime is 2042489321. The reversal of 2042489269 is 9629842402.

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 2042489269 - 25 = 2042489237 is a prime.

It is a super-2 number, since 2×20424892692 = 8343524827960308722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042489209) 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, 74377 + ... + 98065.

It is an arithmetic number, because the mean of its divisors is an integer number (257462920).

Almost surely, 22042489269 is an apocalyptic number.

It is an amenable number.

2042489269 is a deficient number, since it is larger than the sum of its proper divisors (17214091).

2042489269 is a wasteful number, since it uses less digits than its factorization.

2042489269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24411.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 2042489269 is about 45193.9074323077. The cubic root of 2042489269 is about 1268.7807897468.

The spelling of 2042489269 in words is "two billion, forty-two million, four hundred eighty-nine thousand, two hundred sixty-nine".

Divisors: 1 151 571 23689 86221 3577039 13526419 2042489269