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2971828225 = 521716342899
BaseRepresentation
bin1011000100100010…
…1000000000000001
321200010000111221001
42301020220000001
522041242000400
61210520332001
7133434060142
oct26110500001
97603014831
102971828225
111295579593
126ab314001
133848cc752
14202991ac9
15125d7ba6a
hexb1228001

2971828225 has 24 divisors (see below), whose sum is σ = 3925864800. Its totient is φ = 2223832320.

The previous prime is 2971828213. The next prime is 2971828303. The reversal of 2971828225 is 5228281792.

It is not a de Polignac number, because 2971828225 - 25 = 2971828193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47826 + ... + 90724.

It is an arithmetic number, because the mean of its divisors is an integer number (163577700).

Almost surely, 22971828225 is an apocalyptic number.

2971828225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2971828225 is a deficient number, since it is larger than the sum of its proper divisors (954036575).

2971828225 is a wasteful number, since it uses less digits than its factorization.

2971828225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43089 (or 43084 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 2971828225 is about 54514.4772056011. The cubic root of 2971828225 is about 1437.7208391652.

The spelling of 2971828225 in words is "two billion, nine hundred seventy-one million, eight hundred twenty-eight thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 163 425 815 2771 4075 13855 42899 69275 214495 729283 1072475 3646415 6992537 18232075 34962685 118873129 174813425 594365645 2971828225