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44467980 = 22351922053
BaseRepresentation
bin1010100110100…
…0011100001100
310002200012121020
42221220130030
542340433410
64225034140
71046654154
oct251503414
9102605536
1044467980
11231124a7
1212a85950
13929c41b
145c97764
153d85a70
hex2a6870c

44467980 has 72 divisors (see below), whose sum is σ = 131472432. Its totient is φ = 11228544.

The previous prime is 44467979. The next prime is 44467987. The reversal of 44467980 is 8976444.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (44467987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20634 + ... + 22686.

It is an arithmetic number, because the mean of its divisors is an integer number (1826006).

Almost surely, 244467980 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 44467980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65736216).

44467980 is an abundant number, since it is smaller than the sum of its proper divisors (87004452).

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

44467980 is a wasteful number, since it uses less digits than its factorization.

44467980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 44467980 is about 6668.4315997092. The cubic root of 44467980 is about 354.2820376768.

The spelling of 44467980 in words is "forty-four million, four hundred sixty-seven thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 361 380 570 722 1083 1140 1444 1805 2053 2166 3610 4106 4332 5415 6159 7220 8212 10265 10830 12318 20530 21660 24636 30795 39007 41060 61590 78014 117021 123180 156028 195035 234042 390070 468084 585105 741133 780140 1170210 1482266 2223399 2340420 2964532 3705665 4446798 7411330 8893596 11116995 14822660 22233990 44467980