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44986420 = 22517132313
BaseRepresentation
bin1010101110011…
…1000000110100
310010122112202201
42223213000310
543004031140
64244114244
71054243513
oct253470064
9103575681
1044986420
1123436a66
1213095984
1394213ab
145d9067a
153e3949a
hex2ae7034

44986420 has 24 divisors (see below), whose sum is σ = 100029384. Its totient is φ = 16935936.

The previous prime is 44986399. The next prime is 44986427. The reversal of 44986420 is 2468944.

It can be written as a sum of positive squares in 4 ways, for example, as 4511376 + 40475044 = 2124^2 + 6362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44986420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44986427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65817 + ... + 66496.

It is an arithmetic number, because the mean of its divisors is an integer number (4167891).

Almost surely, 244986420 is an apocalyptic number.

It is an amenable number.

44986420 is an abundant number, since it is smaller than the sum of its proper divisors (55042964).

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

44986420 is a wasteful number, since it uses less digits than its factorization.

44986420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132339 (or 132337 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 44986420 is about 6707.1916626857. The cubic root of 44986420 is about 355.6535471373.

The spelling of 44986420 in words is "forty-four million, nine hundred eighty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 132313 264626 529252 661565 1323130 2249321 2646260 4498642 8997284 11246605 22493210 44986420