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2897659225 = 52991116959
BaseRepresentation
bin1010110010110110…
…1100010101011001
321110221110100012001
42230231230111121
521413300043400
61155310521001
7131543461036
oct25455542531
97427410161
102897659225
11125772029a
1268a506161
13372431476
141d6ba638d
1511e5caa6a
hexacb6c559

2897659225 has 12 divisors (see below), whose sum is σ = 3596753920. Its totient is φ = 2315768400.

The previous prime is 2897659223. The next prime is 2897659267. The reversal of 2897659225 is 5229567982.

It is not a de Polignac number, because 2897659225 - 21 = 2897659223 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2897659223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33705 + ... + 83254.

Almost surely, 22897659225 is an apocalyptic number.

2897659225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2897659225 is a deficient number, since it is larger than the sum of its proper divisors (699094695).

2897659225 is a wasteful number, since it uses less digits than its factorization.

2897659225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117960 (or 117955 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 55.

The square root of 2897659225 is about 53829.9101336794. The cubic root of 2897659225 is about 1425.6593603990.

The spelling of 2897659225 in words is "two billion, eight hundred ninety-seven million, six hundred fifty-nine thousand, two hundred twenty-five".

Divisors: 1 5 25 991 4955 24775 116959 584795 2923975 115906369 579531845 2897659225