Search a number
-
+
44890972 = 2271603249
BaseRepresentation
bin1010101100111…
…1101101011100
310010110200211121
42223033231130
542443002342
64242100324
71053365320
oct253175534
9103420747
1044890972
1123381285
121304a6a4
1393b9b09
145d67980
153e1b067
hex2acfb5c

44890972 has 12 divisors (see below), whose sum is σ = 89782000. Its totient is φ = 19238976.

The previous prime is 44890943. The next prime is 44890973. The reversal of 44890972 is 27909844.

44890972 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44890973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801597 + ... + 801652.

Almost surely, 244890972 is an apocalyptic number.

It is an amenable number.

44890972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

44890972 is a wasteful number, since it uses less digits than its factorization.

44890972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603260 (or 1603258 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 44890972 is about 6700.0725369208. The cubic root of 44890972 is about 355.4018381681.

It can be divided in two parts, 448 and 90972, that multiplied together give a square (40755456 = 63842).

The spelling of 44890972 in words is "forty-four million, eight hundred ninety thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 1603249 3206498 6412996 11222743 22445486 44890972