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BaseRepresentation
bin1011000110111001…
…0011100100101001
321200210121100201111
42301232103210221
522101304043100
61211512150321
7133614040324
oct26156234451
97623540644
102981706025
1112a0105961
126b26983a1
1338697a7bc
142040037bb
15126b7d6ba
hexb1b93929

2981706025 has 27 divisors (see below), whose sum is σ = 3776490711. Its totient is φ = 2335346640.

The previous prime is 2981706023. The next prime is 2981706029. The reversal of 2981706025 is 5206071892.

The square root of 2981706025 is 54605.

It is a perfect power (a square), and thus also a powerful number.

2981706025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1073414169 + 1908291856 = 32763^2 + 43684^2 .

It is not a de Polignac number, because 2981706025 - 21 = 2981706023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2981706023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18292594 + ... + 18292756.

Almost surely, 22981706025 is an apocalyptic number.

2981706025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2981706025 is the 54605-th square number.

2981706025 is the 27303-rd centered octagonal number.

It is an amenable number.

2981706025 is a deficient number, since it is larger than the sum of its proper divisors (794784686).

2981706025 is an frugal number, since it uses more digits than its factorization.

2981706025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The cubic root of 2981706025 is about 1439.3119824420.

The spelling of 2981706025 in words is "two billion, nine hundred eighty-one million, seven hundred six thousand, twenty-five".