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8074890 = 23553323
BaseRepresentation
bin11110110011011010001010
3120012020200000
4132303122022
54031344030
6445023430
7125430645
oct36633212
916166600
108074890
11461586a
122854b76
131899555
141102a5c
15a97860
hex7b368a

8074890 has 48 divisors (see below), whose sum is σ = 21778848. Its totient is φ = 2152656.

The previous prime is 8074877. The next prime is 8074903. The reversal of 8074890 is 984708.

It is an interprime number because it is at equal distance from previous prime (8074877) and next prime (8074903).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 769 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (453726).

Almost surely, 28074890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8074890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10889424).

8074890 is an abundant number, since it is smaller than the sum of its proper divisors (13703958).

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

8074890 is a wasteful number, since it uses less digits than its factorization.

8074890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8074890 is about 2841.6350926887. The cubic root of 8074890 is about 200.6221459984.

The spelling of 8074890 in words is "eight million, seventy-four thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 3323 6646 9969 16615 19938 29907 33230 49845 59814 89721 99690 149535 179442 269163 299070 448605 538326 807489 897210 1345815 1614978 2691630 4037445 8074890