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8401071 = 37400051
BaseRepresentation
bin100000000011…
…000010101111
3120210211002210
4200003002233
54122313241
6500021503
7131256630
oct40030257
916724083
108401071
114818938
122991893
131981b63
141189887
15b0e316
hex8030af

8401071 has 8 divisors (see below), whose sum is σ = 12801664. Its totient is φ = 4800600.

The previous prime is 8401061. The next prime is 8401087. The reversal of 8401071 is 1701048.

8401071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8401071 - 27 = 8400943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 400051 = 8401071 / (8 + 4 + 0 + 1 + 0 + 7 + 1).

It is a Duffinian number.

8401071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8401051) 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, 200005 + ... + 200046.

It is an arithmetic number, because the mean of its divisors is an integer number (1600208).

Almost surely, 28401071 is an apocalyptic number.

8401071 is a deficient number, since it is larger than the sum of its proper divisors (4400593).

8401071 is a wasteful number, since it uses less digits than its factorization.

8401071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400061.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 8401071 is about 2898.4601084024. The cubic root of 8401071 is about 203.2879103649.

The spelling of 8401071 in words is "eight million, four hundred one thousand, seventy-one".

Divisors: 1 3 7 21 400051 1200153 2800357 8401071