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44238820 = 2252211941
BaseRepresentation
bin1010100011000…
…0011111100100
310002020120020211
42220300133210
542311120240
64220105204
71045011103
oct250603744
9102216224
1044238820
1122a7630a
1212995204
13921c022
145c3803a
153d3cbea
hex2a307e4

44238820 has 12 divisors (see below), whose sum is σ = 92901564. Its totient is φ = 17695520.

The previous prime is 44238793. The next prime is 44238823. The reversal of 44238820 is 2883244.

It can be written as a sum of positive squares in 2 ways, for example, as 20268004 + 23970816 = 4502^2 + 4896^2 .

It is not an unprimeable number, because it can be changed into a prime (44238823) 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, 1105951 + ... + 1105990.

It is an arithmetic number, because the mean of its divisors is an integer number (7741797).

Almost surely, 244238820 is an apocalyptic number.

It is an amenable number.

44238820 is an abundant number, since it is smaller than the sum of its proper divisors (48662744).

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

44238820 is a wasteful number, since it uses less digits than its factorization.

44238820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211950 (or 2211948 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 44238820 is about 6651.2269544799. The cubic root of 44238820 is about 353.6724069933.

The spelling of 44238820 in words is "forty-four million, two hundred thirty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 2211941 4423882 8847764 11059705 22119410 44238820