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2828220461 = 112371791993
BaseRepresentation
bin1010100010010011…
…0011100000101101
321022002210111002222
42220210303200231
521243011023321
61144350325125
7130041322463
oct25044634055
97262714088
102828220461
111221502990
1266b1b97a5
13360c2b241
141cb88c833
151184613ab
hexa893382d

2828220461 has 32 divisors (see below), whose sum is σ = 3307806720. Its totient is φ = 2392790400.

The previous prime is 2828220449. The next prime is 2828220481. The reversal of 2828220461 is 1640228282.

It is not a de Polignac number, because 2828220461 - 210 = 2828219437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828220481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1418081 + ... + 1420073.

It is an arithmetic number, because the mean of its divisors is an integer number (103368960).

Almost surely, 22828220461 is an apocalyptic number.

It is an amenable number.

2828220461 is a deficient number, since it is larger than the sum of its proper divisors (479586259).

2828220461 is a wasteful number, since it uses less digits than its factorization.

2828220461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 2828220461 is about 53181.0159831495. The cubic root of 2828220461 is about 1414.1791175765.

The spelling of 2828220461 in words is "two billion, eight hundred twenty-eight million, two hundred twenty thousand, four hundred sixty-one".

Divisors: 1 11 23 71 79 253 781 869 1633 1817 1993 5609 17963 19987 21923 45839 61699 129007 141503 157447 504229 1419077 1556533 1731917 3254569 3621281 11178737 35800259 39834091 122966107 257110951 2828220461