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5443720272 = 243237803613
BaseRepresentation
bin1010001000111100…
…01001010001010000
3112001101022122100100
411010132021101100
542122043022042
62300101452400
7251620600404
oct50436112120
915041278310
105443720272
112343924681
12107b111100
13689a6a173
14398da7104
1521cda424c
hex144789450

5443720272 has 30 divisors (see below), whose sum is σ = 15234856442. Its totient is φ = 1814573376.

The previous prime is 5443720237. The next prime is 5443720273. The reversal of 5443720272 is 2720273445.

It is a happy number.

5443720272 is a `hidden beast` number, since 5 + 443 + 7 + 202 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4559490576 + 884229696 = 67524^2 + 29736^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5443720273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18901663 + ... + 18901950.

Almost surely, 25443720272 is an apocalyptic number.

It is an amenable number.

5443720272 is an abundant number, since it is smaller than the sum of its proper divisors (9791136170).

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

5443720272 is a wasteful number, since it uses less digits than its factorization.

5443720272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37803627 (or 37803618 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 5443720272 is about 73781.5713576229. The cubic root of 5443720272 is about 1759.1326942293.

The spelling of 5443720272 in words is "five billion, four hundred forty-three million, seven hundred twenty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 37803613 75607226 113410839 151214452 226821678 302428904 340232517 453643356 604857808 680465034 907286712 1360930068 1814573424 2721860136 5443720272