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44021442 = 2319386153
BaseRepresentation
bin1010011111101…
…1011011000010
310001211112001210
42213323123002
542232141232
64211310550
71043114253
oct247733302
9101745053
1044021442
1122937a63
12128ab456
1391740ba
145bbcb2a
153ce85cc
hex29fb6c2

44021442 has 16 divisors (see below), whose sum is σ = 92676960. Its totient is φ = 13901472.

The previous prime is 44021441. The next prime is 44021531. The reversal of 44021442 is 24412044.

It is not an unprimeable number, because it can be changed into a prime (44021441) 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, 192963 + ... + 193190.

It is an arithmetic number, because the mean of its divisors is an integer number (5792310).

Almost surely, 244021442 is an apocalyptic number.

44021442 is an abundant number, since it is smaller than the sum of its proper divisors (48655518).

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

44021442 is a wasteful number, since it uses less digits than its factorization.

44021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386177.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44021442 is about 6634.8656354142. The cubic root of 44021442 is about 353.0921709842.

Adding to 44021442 its reverse (24412044), we get a palindrome (68433486).

The spelling of 44021442 in words is "forty-four million, twenty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 386153 772306 1158459 2316918 7336907 14673814 22010721 44021442