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43442101 = 235573391
BaseRepresentation
bin1010010110110…
…1111110110101
310000202002100201
42211231332311
542110121401
64151040501
71035152233
oct245557665
9100662321
1043442101
112258176a
1212670131
1390004b1
145aab953
153c31b01
hex296dfb5

43442101 has 8 divisors (see below), whose sum is σ = 45425664. Its totient is φ = 41466480.

The previous prime is 43442099. The next prime is 43442111. The reversal of 43442101 is 10124434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43442101 - 21 = 43442099 is a prime.

It is a super-2 number, since 2×434421012 = 3774432278588402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43442111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11116 + ... + 14506.

It is an arithmetic number, because the mean of its divisors is an integer number (5678208).

Almost surely, 243442101 is an apocalyptic number.

It is an amenable number.

43442101 is a deficient number, since it is larger than the sum of its proper divisors (1983563).

43442101 is a wasteful number, since it uses less digits than its factorization.

43442101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 43442101 is about 6591.0622057450. The cubic root of 43442101 is about 351.5363779412.

Adding to 43442101 its reverse (10124434), we get a palindrome (53566535).

The spelling of 43442101 in words is "forty-three million, four hundred forty-two thousand, one hundred one".

Divisors: 1 23 557 3391 12811 77993 1888787 43442101