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44272340 = 2257311012
BaseRepresentation
bin1010100011100…
…0101011010100
310002022021020022
42220320223110
542313203330
64220524312
71045210610
oct250705324
9102267208
1044272340
1122a99512
12129b0698
139231368
145c46340
153d47ae5
hex2a38ad4

44272340 has 72 divisors (see below), whose sum is σ = 110777856. Its totient is φ = 14544000.

The previous prime is 44272339. The next prime is 44272343. The reversal of 44272340 is 4327244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44272343) 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, 438290 + ... + 438390.

Almost surely, 244272340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44272340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55388928).

44272340 is an abundant number, since it is smaller than the sum of its proper divisors (66505516).

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

44272340 is a wasteful number, since it uses less digits than its factorization.

44272340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 44272340 is about 6653.7463131682. The cubic root of 44272340 is about 353.7617109584.

Adding to 44272340 its reverse (4327244), we get a palindrome (48599584).

It can be divided in two parts, 44 and 272340, that multiplied together give a triangular number (11982960 = T4895).

The spelling of 44272340 in words is "forty-four million, two hundred seventy-two thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 101 124 140 155 202 217 310 404 434 505 620 707 868 1010 1085 1414 2020 2170 2828 3131 3535 4340 6262 7070 10201 12524 14140 15655 20402 21917 31310 40804 43834 51005 62620 71407 87668 102010 109585 142814 204020 219170 285628 316231 357035 438340 632462 714070 1264924 1428140 1581155 2213617 3162310 4427234 6324620 8854468 11068085 22136170 44272340