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8001022 = 24000511
BaseRepresentation
bin11110100001010111111110
3120001111100011
4132201113332
54022013042
6443253434
7125002411
oct36412776
916044304
108001022
114575317
12281a27a
131871a43
1410c3b78
15a80a17
hex7a15fe

8001022 has 4 divisors (see below), whose sum is σ = 12001536. Its totient is φ = 4000510.

The previous prime is 8000989. The next prime is 8001029. The reversal of 8001022 is 2201008.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8000993 and 8001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8001029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000254 + ... + 2000257.

It is an arithmetic number, because the mean of its divisors is an integer number (3000384).

Almost surely, 28001022 is an apocalyptic number.

8001022 is a deficient number, since it is larger than the sum of its proper divisors (4000514).

8001022 is a wasteful number, since it uses less digits than its factorization.

8001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000513.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 8001022 is about 2828.6077847591. The cubic root of 8001022 is about 200.0085163040.

The spelling of 8001022 in words is "eight million, one thousand, twenty-two".

Divisors: 1 2 4000511 8001022