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2201971028 = 221950357601
BaseRepresentation
bin1000001100111111…
…0110100101010100
312200110101201101112
42003033312211110
514002201033103
61002255514152
7105365305415
oct20317664524
95613351345
102201971028
11a2aa56474
12515528958
1329127184a
1416c63180c
15cd4aacd8
hex833f6954

2201971028 has 24 divisors (see below), whose sum is σ = 4064397120. Its totient is φ = 1040947200.

The previous prime is 2201970989. The next prime is 2201971063. The reversal of 2201971028 is 8201791022.

It is a happy number.

2201971028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2201970985 and 2201971003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9428 + ... + 67028.

It is an arithmetic number, because the mean of its divisors is an integer number (169349880).

Almost surely, 22201971028 is an apocalyptic number.

It is an amenable number.

2201971028 is a deficient number, since it is larger than the sum of its proper divisors (1862426092).

2201971028 is a wasteful number, since it uses less digits than its factorization.

2201971028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58127 (or 58125 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 2201971028 is about 46925.1641233145. The cubic root of 2201971028 is about 1300.9797403322.

The spelling of 2201971028 in words is "two billion, two hundred one million, nine hundred seventy-one thousand, twenty-eight".

Divisors: 1 2 4 19 38 76 503 1006 2012 9557 19114 38228 57601 115202 230404 1094419 2188838 4377676 28973303 57946606 115893212 550492757 1100985514 2201971028