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8006940 = 2232544483
BaseRepresentation
bin11110100010110100011100
3120001210110100
4132202310130
54022210230
6443341100
7125025564
oct36426434
916053410
108006940
114579807
122821790
131874646
1410c5da4
15a82660
hex7a2d1c

8006940 has 36 divisors (see below), whose sum is σ = 24288264. Its totient is φ = 2135136.

The previous prime is 8006939. The next prime is 8006941. The reversal of 8006940 is 496008.

8006940 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8006939) and next prime (8006941).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×80069402 = 128222176327200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8006941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22062 + ... + 22421.

It is an arithmetic number, because the mean of its divisors is an integer number (674674).

Almost surely, 28006940 is an apocalyptic number.

It is an amenable number.

8006940 is an abundant number, since it is smaller than the sum of its proper divisors (16281324).

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

8006940 is a wasteful number, since it uses less digits than its factorization.

8006940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44498 (or 44493 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8006940 is about 2829.6536890581. The cubic root of 8006940 is about 200.0578166179.

The spelling of 8006940 in words is "eight million, six thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 44483 88966 133449 177932 222415 266898 400347 444830 533796 667245 800694 889660 1334490 1601388 2001735 2668980 4003470 8006940