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8034990 = 235267833
BaseRepresentation
bin11110101001101010101110
3120010012221020
4132221222232
54024104430
6444115010
7125203425
oct36515256
916105836
108034990
114598897
122835a66
131884342
1410d22bc
15a8ab10
hex7a9aae

8034990 has 16 divisors (see below), whose sum is σ = 19284048. Its totient is φ = 2142656.

The previous prime is 8034989. The next prime is 8034991. The reversal of 8034990 is 994308.

It is an interprime number because it is at equal distance from previous prime (8034989) and next prime (8034991).

It is a super-2 number, since 2×80349902 = 129122128600200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8034991) 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, 133887 + ... + 133946.

It is an arithmetic number, because the mean of its divisors is an integer number (1205253).

Almost surely, 28034990 is an apocalyptic number.

8034990 is an abundant number, since it is smaller than the sum of its proper divisors (11249058).

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

8034990 is a wasteful number, since it uses less digits than its factorization.

8034990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267843.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 8034990 is about 2834.6057926985. The cubic root of 8034990 is about 200.2911592591.

The spelling of 8034990 in words is "eight million, thirty-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 267833 535666 803499 1339165 1606998 2678330 4017495 8034990