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4400071 = 13893803
BaseRepresentation
bin10000110010001111000111
322021112202121
4100302033013
52111300241
6234150411
752254124
oct20621707
98245677
104400071
112535925
121582407
13bb09c0
1482774b
155bdad1
hex4323c7

4400071 has 8 divisors (see below), whose sum is σ = 4793040. Its totient is φ = 4014912.

The previous prime is 4400069. The next prime is 4400101. The reversal of 4400071 is 1700044.

It is a happy number.

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 4400071 - 21 = 4400069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400021) 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 7 ways as a sum of consecutive naturals, for example, 745 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (599130).

Almost surely, 24400071 is an apocalyptic number.

4400071 is a deficient number, since it is larger than the sum of its proper divisors (392969).

4400071 is a wasteful number, since it uses less digits than its factorization.

4400071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 4400071 is about 2097.6346202330. The cubic root of 4400071 is about 163.8651355065.

The spelling of 4400071 in words is "four million, four hundred thousand, seventy-one".

Divisors: 1 13 89 1157 3803 49439 338467 4400071