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44143902 = 232111131973
BaseRepresentation
bin1010100001100…
…1010100011110
310002001202001100
42220121110132
542300101102
64214053530
71044134265
oct250312436
9102052040
1044143902
1122a10a70
121294a2a6
1391b7a6a
145c115dc
153d1ea1c
hex2a1951e

44143902 has 48 divisors (see below), whose sum is σ = 105316848. Its totient is φ = 13251840.

The previous prime is 44143901. The next prime is 44143927. The reversal of 44143902 is 20934144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44143901) 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, 21388 + ... + 23360.

It is an arithmetic number, because the mean of its divisors is an integer number (2194101).

Almost surely, 244143902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44143902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52658424).

44143902 is an abundant number, since it is smaller than the sum of its proper divisors (61172946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44143902 is a wasteful number, since it uses less digits than its factorization.

44143902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 44143902 is about 6644.0877477649. The cubic root of 44143902 is about 353.4192815320.

The spelling of 44143902 in words is "forty-four million, one hundred forty-three thousand, nine hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 113 198 226 339 678 1017 1243 1973 2034 2486 3729 3946 5919 7458 11187 11838 17757 21703 22374 35514 43406 65109 130218 195327 222949 390654 445898 668847 1337694 2006541 2452439 4013082 4904878 7357317 14714634 22071951 44143902