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2889210625 = 547660391
BaseRepresentation
bin1010110000110101…
…1101101100000001
321110100120002212221
42230031131230001
521404114220000
61154405451041
7131411612410
oct25415355401
97410502787
102889210625
11125297a784
12687710a81
13370763ab2
141d5a07477
1511d9ac61a
hexac35db01

2889210625 has 20 divisors (see below), whose sum is σ = 4126129216. Its totient is φ = 1981170000.

The previous prime is 2889210581. The next prime is 2889210631. The reversal of 2889210625 is 5260129882.

It is not a de Polignac number, because 2889210625 - 27 = 2889210497 is a prime.

It is a super-2 number, since 2×28892106252 = 16695076071225781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 325821 + ... + 334570.

Almost surely, 22889210625 is an apocalyptic number.

2889210625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2889210625 is a deficient number, since it is larger than the sum of its proper divisors (1236918591).

2889210625 is an frugal number, since it uses more digits than its factorization.

2889210625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660418 (or 660403 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 2889210625 is about 53751.3778893155. The cubic root of 2889210625 is about 1424.2724304721.

The spelling of 2889210625 in words is "two billion, eight hundred eighty-nine million, two hundred ten thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 625 875 4375 660391 3301955 4622737 16509775 23113685 82548875 115568425 412744375 577842125 2889210625