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4220430 = 235140681
BaseRepresentation
bin10000000110011000001110
321221102100020
4100012120032
52040023210
6230243010
750605314
oct20063016
97842306
104220430
112422965
1214b6466
13b49cc6
147bc0b4
15585770
hex40660e

4220430 has 16 divisors (see below), whose sum is σ = 10129104. Its totient is φ = 1125440.

The previous prime is 4220423. The next prime is 4220441. The reversal of 4220430 is 340224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70311 + ... + 70370.

It is an arithmetic number, because the mean of its divisors is an integer number (633069).

Almost surely, 24220430 is an apocalyptic number.

4220430 is an abundant number, since it is smaller than the sum of its proper divisors (5908674).

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

4220430 is a wasteful number, since it uses less digits than its factorization.

4220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140691.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4220430 is about 2054.3685161139. The cubic root of 4220430 is about 161.6040475002.

Adding to 4220430 its reverse (340224), we get a palindrome (4560654).

The spelling of 4220430 in words is "four million, two hundred twenty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 140681 281362 422043 703405 844086 1406810 2110215 4220430