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2444199264 = 253213652831
BaseRepresentation
bin1001000110101111…
…1000010101100000
320022100012012001200
42101223320111200
520001203334024
61042311401200
7114366231243
oct22153702540
96270165050
102444199264
1110447610a1
12582683200
132cc4c2970
1419288725a
15e48a72c9
hex91af8560

2444199264 has 72 divisors (see below), whose sum is σ = 7485371712. Its totient is φ = 752060160.

The previous prime is 2444199223. The next prime is 2444199269. The reversal of 2444199264 is 4629914442.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×24441992642 = 11948220084276283392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444199269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322672 + ... + 330159.

It is an arithmetic number, because the mean of its divisors is an integer number (103963496).

Almost surely, 22444199264 is an apocalyptic number.

2444199264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2444199264 is an abundant number, since it is smaller than the sum of its proper divisors (5041172448).

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

2444199264 is a wasteful number, since it uses less digits than its factorization.

2444199264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652860 (or 652849 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 2444199264 is about 49438.8436757981. The cubic root of 2444199264 is about 1347.0349675035.

The spelling of 2444199264 in words is "two billion, four hundred forty-four million, one hundred ninety-nine thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 652831 1305662 1958493 2611324 3916986 5222648 5875479 7833972 8486803 10445296 11750958 15667944 16973606 20890592 23501916 25460409 31335888 33947212 47003832 50920818 62671776 67894424 76381227 94007664 101841636 135788848 152762454 188015328 203683272 271577696 305524908 407366544 611049816 814733088 1222099632 2444199264