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4238531 = 11385321
BaseRepresentation
bin10000001010110011000011
321222100011122
4100022303003
52041113111
6230502455
751012143
oct20126303
97870148
104238531
112435520
121504a2b
13b5530b
147c4923
1558acdb
hex40acc3

4238531 has 4 divisors (see below), whose sum is σ = 4623864. Its totient is φ = 3853200.

The previous prime is 4238519. The next prime is 4238543. The reversal of 4238531 is 1358324.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4238519) and next prime (4238543).

It is a cyclic number.

It is not a de Polignac number, because 4238531 - 210 = 4237507 is a prime.

It is a super-2 number, since 2×42385312 = 35930290075922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4238531.

It is not an unprimeable number, because it can be changed into a prime (4238551) 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, 192650 + ... + 192671.

It is an arithmetic number, because the mean of its divisors is an integer number (1155966).

Almost surely, 24238531 is an apocalyptic number.

4238531 is a deficient number, since it is larger than the sum of its proper divisors (385333).

4238531 is a wasteful number, since it uses less digits than its factorization.

4238531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385332.

The product of its digits is 2880, while the sum is 26.

The square root of 4238531 is about 2058.7692925629. The cubic root of 4238531 is about 161.8347524950.

The spelling of 4238531 in words is "four million, two hundred thirty-eight thousand, five hundred thirty-one".

Divisors: 1 11 385321 4238531