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244400805 = 325111313769
BaseRepresentation
bin11101001000101…
…00001010100101
3122000212211212200
432210110022211
51000031311210
640130205113
76025241535
oct1644241245
9560784780
10244400805
11115a59a40
1269a23799
133b831c7c
142465d4c5
15166ca0c0
hexe9142a5

244400805 has 48 divisors (see below), whose sum is σ = 465791040. Its totient is φ = 117561600.

The previous prime is 244400773. The next prime is 244400839. The reversal of 244400805 is 508004442.

It is not a de Polignac number, because 244400805 - 25 = 244400773 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62961 + ... + 66729.

It is an arithmetic number, because the mean of its divisors is an integer number (9703980).

Almost surely, 2244400805 is an apocalyptic number.

It is an amenable number.

244400805 is a deficient number, since it is larger than the sum of its proper divisors (221390235).

244400805 is a wasteful number, since it uses less digits than its factorization.

244400805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922 (or 3919 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 244400805 is about 15633.3235429962. The cubic root of 244400805 is about 625.2219414445.

The spelling of 244400805 in words is "two hundred forty-four million, four hundred thousand, eight hundred five".

Divisors: 1 3 5 9 11 15 33 45 55 99 131 165 393 495 655 1179 1441 1965 3769 4323 5895 7205 11307 12969 18845 21615 33921 41459 56535 64845 124377 169605 207295 373131 493739 621885 1481217 1865655 2468695 4443651 5431129 7406085 16293387 22218255 27155645 48880161 81466935 244400805