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8029940 = 2251792243
BaseRepresentation
bin11110101000011011110100
3120002222000012
4132220123310
54023424230
6444035352
7125152622
oct36503364
916088005
108029940
114595016
122832b58
131881c59
1410d0512
15a89395
hex7a86f4

8029940 has 24 divisors (see below), whose sum is σ = 16964640. Its totient is φ = 3192608.

The previous prime is 8029909. The next prime is 8029943. The reversal of 8029940 is 499208.

It is a junction number, because it is equal to n+sod(n) for n = 8029897 and 8029906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8029943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2459 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (706860).

Almost surely, 28029940 is an apocalyptic number.

It is an amenable number.

8029940 is an abundant number, since it is smaller than the sum of its proper divisors (8934700).

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

8029940 is a wasteful number, since it uses less digits than its factorization.

8029940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2429 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8029940 is about 2833.7148762711. The cubic root of 8029940 is about 200.2491893943.

The spelling of 8029940 in words is "eight million, twenty-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 2243 3580 4486 8972 11215 22430 44860 401497 802994 1605988 2007485 4014970 8029940