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2189625824 = 2568425807
BaseRepresentation
bin1000001010000011…
…0000100111100000
312122121011111221202
42002200300213200
513441021011244
61001135140332
7105155340521
oct20240604740
95577144852
102189625824
11a23a94321
125113746a8
1328b83b6a9
1416ab3a848
15cc36d04e
hex828309e0

2189625824 has 12 divisors (see below), whose sum is σ = 4310825904. Its totient is φ = 1094812896.

The previous prime is 2189625811. The next prime is 2189625853. The reversal of 2189625824 is 4285269812.

It is a super-2 number, since 2×21896258242 = 9588922498255357952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34212872 + ... + 34212935.

It is an arithmetic number, because the mean of its divisors is an integer number (359235492).

Almost surely, 22189625824 is an apocalyptic number.

It is an amenable number.

2189625824 is a deficient number, since it is larger than the sum of its proper divisors (2121200080).

2189625824 is an equidigital number, since it uses as much as digits as its factorization.

2189625824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68425817 (or 68425809 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 2189625824 is about 46793.4378305335. The cubic root of 2189625824 is about 1298.5438970745.

The spelling of 2189625824 in words is "two billion, one hundred eighty-nine million, six hundred twenty-five thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 32 68425807 136851614 273703228 547406456 1094812912 2189625824