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4216990 = 25421699
BaseRepresentation
bin10000000101100010011110
321221020121211
4100011202132
52034420430
6230215034
750562301
oct20054236
97836554
104216990
112420318
1214b447a
13b4857b
147bab38
1558472a
hex40589e

4216990 has 8 divisors (see below), whose sum is σ = 7590600. Its totient is φ = 1686792.

The previous prime is 4216963. The next prime is 4216999. The reversal of 4216990 is 996124.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210840 + ... + 210859.

It is an arithmetic number, because the mean of its divisors is an integer number (948825).

Almost surely, 24216990 is an apocalyptic number.

4216990 is a deficient number, since it is larger than the sum of its proper divisors (3373610).

4216990 is a wasteful number, since it uses less digits than its factorization.

4216990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421706.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 4216990 is about 2053.5311051942. The cubic root of 4216990 is about 161.5601286711.

The spelling of 4216990 in words is "four million, two hundred sixteen thousand, nine hundred ninety".

Divisors: 1 2 5 10 421699 843398 2108495 4216990