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44401189 = 743114717
BaseRepresentation
bin1010100101100…
…0001000100101
310002112210222111
42221120020211
542331314224
64223401021
71046255350
oct251301045
9102483874
1044401189
11230772a8
1212a53171
139277bc1
145c7b297
153d70d94
hex2a58225

44401189 has 8 divisors (see below), whose sum is σ = 50865408. Its totient is φ = 37967280.

The previous prime is 44401177. The next prime is 44401211. The reversal of 44401189 is 98110444.

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 44401189 - 27 = 44401061 is a prime.

It is a super-2 number, since 2×444011892 = 3942931169227442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44401189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44401139) 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, 4342 + ... + 10375.

It is an arithmetic number, because the mean of its divisors is an integer number (6358176).

Almost surely, 244401189 is an apocalyptic number.

It is an amenable number.

44401189 is a deficient number, since it is larger than the sum of its proper divisors (6464219).

44401189 is a wasteful number, since it uses less digits than its factorization.

44401189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 44401189 is about 6663.4217186067. The cubic root of 44401189 is about 354.1045713389.

The spelling of 44401189 in words is "forty-four million, four hundred one thousand, one hundred eighty-nine".

Divisors: 1 7 431 3017 14717 103019 6343027 44401189