Search a number
-
+
44202431 = 7131728573
BaseRepresentation
bin1010100010011…
…1100110111111
310002011201100002
42220213212333
542303434211
64215224515
71044500030
oct250474677
9102151302
1044202431
1122a50a39
121297813b
1392085b0
145c28a87
153d3203b
hex2a279bf

44202431 has 16 divisors (see below), whose sum is σ = 57605184. Its totient is φ = 32914944.

The previous prime is 44202427. The next prime is 44202437. The reversal of 44202431 is 13420244.

It is a cyclic number.

It is not a de Polignac number, because 44202431 - 22 = 44202427 is a prime.

It is a super-2 number, since 2×442024312 = 3907709812619522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44202437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12740 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (3600324).

Almost surely, 244202431 is an apocalyptic number.

44202431 is a deficient number, since it is larger than the sum of its proper divisors (13402753).

44202431 is a wasteful number, since it uses less digits than its factorization.

44202431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28610.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44202431 is about 6648.4908813956. The cubic root of 44202431 is about 353.5754083577.

Adding to 44202431 its reverse (13420244), we get a palindrome (57622675).

It can be divided in two parts, 4420243 and 1, that added together give a palindrome (4420244).

The spelling of 44202431 in words is "forty-four million, two hundred two thousand, four hundred thirty-one".

Divisors: 1 7 13 17 91 119 221 1547 28573 200011 371449 485741 2600143 3400187 6314633 44202431