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2072889841 = 11241392
BaseRepresentation
bin111101110001101…
…1100100111110001
312100110111201021211
41323203130213301
513221124433331
6541405120121
7102240162421
oct17343344761
95313451254
102072889841
11974101900
1249a259041
132705b8349
14159430481
15c1eae8b1
hex7b8dc9f1

2072889841 has 9 divisors (see below), whose sum is σ = 2279016313. Its totient is φ = 1883990020.

The previous prime is 2072889839. The next prime is 2072889853. The reversal of 2072889841 is 1489882702.

The square root of 2072889841 is 45529.

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

It is not a de Polignac number, because 2072889841 - 21 = 2072889839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2072889041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 498750 + ... + 502888.

Almost surely, 22072889841 is an apocalyptic number.

2072889841 is the 45529-th square number.

2072889841 is the 22765-th centered octagonal number.

It is an amenable number.

2072889841 is a deficient number, since it is larger than the sum of its proper divisors (206126472).

2072889841 is an frugal number, since it uses more digits than its factorization.

2072889841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300 (or 4150 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The cubic root of 2072889841 is about 1275.0446922178.

Multiplying 2072889841 by its sum of digits (49), we get a square (101571602209 = 3187032).

The spelling of 2072889841 in words is "two billion, seventy-two million, eight hundred eighty-nine thousand, eight hundred forty-one".

Divisors: 1 11 121 4139 45529 500819 17131321 188444531 2072889841