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4238172 = 2232117727
BaseRepresentation
bin10000001010101101011100
321222022200100
4100022231130
52041110142
6230501100
751011121
oct20125534
97868610
104238172
112435224
121504790
13b550c3
147c4748
1558ab4c
hex40ab5c

4238172 has 18 divisors (see below), whose sum is σ = 10713248. Its totient is φ = 1412712.

The previous prime is 4238167. The next prime is 4238177. The reversal of 4238172 is 2718324.

It is an interprime number because it is at equal distance from previous prime (4238167) and next prime (4238177).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58828 + ... + 58899.

Almost surely, 24238172 is an apocalyptic number.

It is an amenable number.

4238172 is an abundant number, since it is smaller than the sum of its proper divisors (6475076).

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

4238172 is a wasteful number, since it uses less digits than its factorization.

4238172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117737 (or 117732 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 4238172 is about 2058.6821027055. The cubic root of 4238172 is about 161.8301832770.

The spelling of 4238172 in words is "four million, two hundred thirty-eight thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 117727 235454 353181 470908 706362 1059543 1412724 2119086 4238172