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4420004257 = 191078592531
BaseRepresentation
bin1000001110111001…
…11110100110100001
3102102001000110222101
410013130332212201
533023010114012
62010332010401
7214350262534
oct40734764641
912361013871
104420004257
111968a82689
12a34300a01
13555948346
142dd044a1b
151ad08ad57
hex10773e9a1

4420004257 has 16 divisors (see below), whose sum is σ = 4703443200. Its totient is φ = 4141771920.

The previous prime is 4420004249. The next prime is 4420004279. The reversal of 4420004257 is 7524000244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4420004257 - 23 = 4420004249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420004287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1745082 + ... + 1747612.

It is an arithmetic number, because the mean of its divisors is an integer number (293965200).

Almost surely, 24420004257 is an apocalyptic number.

It is an amenable number.

4420004257 is a deficient number, since it is larger than the sum of its proper divisors (283438943).

4420004257 is a wasteful number, since it uses less digits than its factorization.

4420004257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 4420004257 is about 66483.1125700354. The cubic root of 4420004257 is about 1641.1221074622.

The spelling of 4420004257 in words is "four billion, four hundred twenty million, four thousand, two hundred fifty-seven".

Divisors: 1 19 107 859 2033 2531 16321 48089 91913 270817 1746347 2174129 5145523 41308451 232631803 4420004257