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4690386 = 2363217
BaseRepresentation
bin10001111001000111010010
322211022000000
4101321013102
52200043021
6244310430
754603411
oct21710722
98738000
104690386
112713a58
1216a2416
13c82b9c
148a1478
15629b26
hex4791d2

4690386 has 28 divisors (see below), whose sum is σ = 10551822. Its totient is φ = 1562976.

The previous prime is 4690381. The next prime is 4690409. The reversal of 4690386 is 6830964.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 1610361 = 1755^2 + 1269^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4690386.

It is not an unprimeable number, because it can be changed into a prime (4690381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 151 + ... + 3066.

Almost surely, 24690386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4690386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5275911).

4690386 is an abundant number, since it is smaller than the sum of its proper divisors (5861436).

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

4690386 is an equidigital number, since it uses as much as digits as its factorization.

4690386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237 (or 3222 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4690386 is about 2165.7299000568. The cubic root of 4690386 is about 167.3925768474.

The spelling of 4690386 in words is "four million, six hundred ninety thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 3217 6434 9651 19302 28953 57906 86859 173718 260577 521154 781731 1563462 2345193 4690386