Search a number
-
+
16220486 = 263112853
BaseRepresentation
bin111101111000…
…000101000110
31010112002022202
4331320011012
513123023421
61335354502
7254605022
oct75700506
933462282
1016220486
119179767
125522a32
13348c029
142223382
15165610b
hexf78146

16220486 has 8 divisors (see below), whose sum is σ = 24371184. Its totient is φ = 8096760.

The previous prime is 16220459. The next prime is 16220489. The reversal of 16220486 is 68402261.

16220486 is digitally balanced in base 2, 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220489) 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, 5165 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (3046398).

Almost surely, 216220486 is an apocalyptic number.

16220486 is a deficient number, since it is larger than the sum of its proper divisors (8150698).

16220486 is a wasteful number, since it uses less digits than its factorization.

16220486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 16220486 is about 4027.4664492706. The cubic root of 16220486 is about 253.1364124510.

The spelling of 16220486 in words is "sixteen million, two hundred twenty thousand, four hundred eighty-six".

Divisors: 1 2 631 1262 12853 25706 8110243 16220486