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2684885939 = 17257614531
BaseRepresentation
bin1010000000001000…
…0001101110110011
320221010002100002222
42200002001232303
520444312322224
61122230231255
7123351103541
oct24002015663
96833070088
102684885939
1111586035aa
1262b1b552b
1333a324208
141b681ad91
1510aa9bb5e
hexa0081bb3

2684885939 has 8 divisors (see below), whose sum is σ = 2853886608. Its totient is φ = 2517114880.

The previous prime is 2684885899. The next prime is 2684885971. The reversal of 2684885939 is 9395884862.

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 2684885939 - 228 = 2416450483 is a prime.

It is a super-2 number, since 2×26848859392 = 14417225010879823442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2684885239) 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, 302897 + ... + 311634.

It is an arithmetic number, because the mean of its divisors is an integer number (356735826).

Almost surely, 22684885939 is an apocalyptic number.

2684885939 is a deficient number, since it is larger than the sum of its proper divisors (169000669).

2684885939 is a wasteful number, since it uses less digits than its factorization.

2684885939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614805.

The product of its digits is 29859840, while the sum is 62.

The square root of 2684885939 is about 51815.8850064341. The cubic root of 2684885939 is about 1389.8735179842.

The spelling of 2684885939 in words is "two billion, six hundred eighty-four million, eight hundred eighty-five thousand, nine hundred thirty-nine".

Divisors: 1 17 257 4369 614531 10447027 157934467 2684885939