Search a number
-
+
44397270 = 23253115913
BaseRepresentation
bin1010100101011…
…1001011010110
310002112121121100
42221113023112
542331203040
64223330530
71046241051
oct251271326
9102477540
1044397270
1123074365
1212a50a46
139276198
145c79a98
153d6eb30
hex2a572d6

44397270 has 48 divisors (see below), whose sum is σ = 119164032. Its totient is φ = 11456640.

The previous prime is 44397263. The next prime is 44397271. The reversal of 44397270 is 7279344.

It is a super-2 number, since 2×443972702 = 3942235166905800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44397271) 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, 5167 + ... + 10746.

It is an arithmetic number, because the mean of its divisors is an integer number (2482584).

Almost surely, 244397270 is an apocalyptic number.

44397270 is an abundant number, since it is smaller than the sum of its proper divisors (74766762).

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

44397270 is a wasteful number, since it uses less digits than its factorization.

44397270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15957 (or 15954 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 44397270 is about 6663.1276439822. The cubic root of 44397270 is about 354.0941528743.

The spelling of 44397270 in words is "forty-four million, three hundred ninety-seven thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 155 186 279 310 465 558 930 1395 2790 15913 31826 47739 79565 95478 143217 159130 238695 286434 477390 493303 716085 986606 1432170 1479909 2466515 2959818 4439727 4933030 7399545 8879454 14799090 22198635 44397270