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4442746812 = 2237266319861
BaseRepresentation
bin1000010001100111…
…01110111110111100
3102110121210220220020
410020303232332330
533044320344222
62012503252140
7215044503420
oct41063567674
912417726806
104442746812
11197a8a6489
12a3ba4a050
1355a57bb8a
14302084b80
151b007e65c
hex108ceefbc

4442746812 has 48 divisors (see below), whose sum is σ = 11852370432. Its totient is φ = 1268815680.

The previous prime is 4442746807. The next prime is 4442746813. The reversal of 4442746812 is 2186472444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442746813) 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 15 ways as a sum of consecutive naturals, for example, 213762 + ... + 233622.

It is an arithmetic number, because the mean of its divisors is an integer number (246924384).

Almost surely, 24442746812 is an apocalyptic number.

4442746812 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4442746812 is an abundant number, since it is smaller than the sum of its proper divisors (7409623620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4442746812 is a wasteful number, since it uses less digits than its factorization.

4442746812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22538 (or 22536 counting only the distinct ones).

The product of its digits is 344064, while the sum is 42.

The square root of 4442746812 is about 66653.9332072759. The cubic root of 4442746812 is about 1643.9320201465.

The spelling of 4442746812 in words is "four billion, four hundred forty-two million, seven hundred forty-six thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2663 5326 7989 10652 15978 18641 19861 31956 37282 39722 55923 59583 74564 79444 111846 119166 139027 223692 238332 278054 417081 556108 834162 1668324 52889843 105779686 158669529 211559372 317339058 370228901 634678116 740457802 1110686703 1480915604 2221373406 4442746812