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44144013 = 338213851
BaseRepresentation
bin1010100001100…
…1010110001101
310002001202012110
42220121112031
542300102023
64214054233
71044134514
oct250312615
9102052173
1044144013
1122a11061
121294a379
1391b7b24
145c1167b
153d1ea93
hex2a1958d

44144013 has 8 divisors (see below), whose sum is σ = 58889376. Its totient is φ = 29414000.

The previous prime is 44143961. The next prime is 44144029. The reversal of 44144013 is 31044144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44144013 - 26 = 44143949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44144033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9538 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (7361172).

Almost surely, 244144013 is an apocalyptic number.

It is an amenable number.

44144013 is a deficient number, since it is larger than the sum of its proper divisors (14745363).

44144013 is a wasteful number, since it uses less digits than its factorization.

44144013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 44144013 is about 6644.0961010509. The cubic root of 44144013 is about 353.4195777564.

Adding to 44144013 its reverse (31044144), we get a palindrome (75188157).

The spelling of 44144013 in words is "forty-four million, one hundred forty-four thousand, thirteen".

Divisors: 1 3 3821 3851 11463 11553 14714671 44144013