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44910945 = 3256116361
BaseRepresentation
bin1010101101010…
…0100101100001
310010111201020100
42223110211201
542444122240
64242333013
71053510462
oct253244541
9103451210
1044910945
1123395292
121305a169
1393c5c31
145d70d69
153e21e30
hex2ad4961

44910945 has 24 divisors (see below), whose sum is σ = 79126632. Its totient is φ = 23558400.

The previous prime is 44910941. The next prime is 44910953. The reversal of 44910945 is 54901944.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74529 + 44836416 = 273^2 + 6696^2 .

It is not a de Polignac number, because 44910945 - 22 = 44910941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44910941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5436 + ... + 10925.

It is an arithmetic number, because the mean of its divisors is an integer number (3296943).

Almost surely, 244910945 is an apocalyptic number.

44910945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44910945 is a deficient number, since it is larger than the sum of its proper divisors (34215687).

44910945 is a wasteful number, since it uses less digits than its factorization.

44910945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16433 (or 16430 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 44910945 is about 6701.5628774190. The cubic root of 44910945 is about 355.4545391018.

Subtracting 44910945 from its reverse (54901944), we obtain a palindrome (9990999).

The spelling of 44910945 in words is "forty-four million, nine hundred ten thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 45 61 183 305 549 915 2745 16361 49083 81805 147249 245415 736245 998021 2994063 4990105 8982189 14970315 44910945