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44010031 = 137942853
BaseRepresentation
bin1010011111100…
…0101000101111
310001210221102011
42213320220233
542231310111
64211142051
71043036062
oct247705057
9101727364
1044010031
112292a42a
12128a4927
13916bb50
145bb88d9
153ce5021
hex29f8a2f

44010031 has 8 divisors (see below), whose sum is σ = 47996480. Its totient is φ = 40109472.

The previous prime is 44009963. The next prime is 44010073. The reversal of 44010031 is 13001044.

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

It is not a de Polignac number, because 44010031 - 29 = 44009519 is a prime.

It is a super-2 number, since 2×440100312 = 3873765657241922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44009993 and 44010020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44010931) 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, 20400 + ... + 22453.

It is an arithmetic number, because the mean of its divisors is an integer number (5999560).

Almost surely, 244010031 is an apocalyptic number.

44010031 is a deficient number, since it is larger than the sum of its proper divisors (3986449).

44010031 is a wasteful number, since it uses less digits than its factorization.

44010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42945.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 44010031 is about 6634.0056526958. The cubic root of 44010031 is about 353.0616594670.

Adding to 44010031 its reverse (13001044), we get a palindrome (57011075).

The spelling of 44010031 in words is "forty-four million, ten thousand, thirty-one".

Divisors: 1 13 79 1027 42853 557089 3385387 44010031