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8290213 = 191094003
BaseRepresentation
bin11111100111111110100101
3120121012000221
4133213332211
54110241323
6453404341
7130315501
oct37477645
916535027
108290213
114752618
1229396b1
131943569
14115b301
15adb55d
hex7e7fa5

8290213 has 8 divisors (see below), whose sum is σ = 8808800. Its totient is φ = 7779888.

The previous prime is 8290153. The next prime is 8290229. The reversal of 8290213 is 3120928.

8290213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8290213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8290273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (1101100).

Almost surely, 28290213 is an apocalyptic number.

It is an amenable number.

8290213 is a deficient number, since it is larger than the sum of its proper divisors (518587).

8290213 is a wasteful number, since it uses less digits than its factorization.

8290213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8290213 is about 2879.2729985189. The cubic root of 8290213 is about 202.3897728615.

The spelling of 8290213 in words is "eight million, two hundred ninety thousand, two hundred thirteen".

Divisors: 1 19 109 2071 4003 76057 436327 8290213