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2897719254 = 232160984403
BaseRepresentation
bin1010110010110111…
…1010111111010110
321110221120101112100
42230231322333112
521413304004004
61155312102530
7131544131043
oct25455727726
97427511470
102897719254
111257761401
1268a534a46
133724528a1
141d6bc01ca
1511e5dd739
hexacb7afd6

2897719254 has 12 divisors (see below), whose sum is σ = 6278391756. Its totient is φ = 965906412.

The previous prime is 2897719243. The next prime is 2897719259. The reversal of 2897719254 is 4529177982.

It is a self number, because there is not a number n which added to its sum of digits gives 2897719254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897719259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80492184 + ... + 80492219.

It is an arithmetic number, because the mean of its divisors is an integer number (523199313).

Almost surely, 22897719254 is an apocalyptic number.

2897719254 is an abundant number, since it is smaller than the sum of its proper divisors (3380672502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2897719254 is a wasteful number, since it uses less digits than its factorization.

2897719254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160984411 (or 160984408 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 2897719254 is about 53830.4677111392. The cubic root of 2897719254 is about 1425.6692051632.

The spelling of 2897719254 in words is "two billion, eight hundred ninety-seven million, seven hundred nineteen thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 160984403 321968806 482953209 965906418 1448859627 2897719254