Search a number
-
+
4023188 = 221377369
BaseRepresentation
bin1111010110001110010100
321120101202222
433112032110
52012220223
6222121512
746124261
oct17261624
97511688
104023188
1122a8754
121420298
13aab2b0
1476a268
155470c8
hex3d6394

4023188 has 12 divisors (see below), whose sum is σ = 7582260. Its totient is φ = 1856832.

The previous prime is 4023181. The next prime is 4023191. The reversal of 4023188 is 8813204.

It can be written as a sum of positive squares in 2 ways, for example, as 228484 + 3794704 = 478^2 + 1948^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023181) 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, 38633 + ... + 38736.

It is an arithmetic number, because the mean of its divisors is an integer number (631855).

Almost surely, 24023188 is an apocalyptic number.

It is an amenable number.

4023188 is a deficient number, since it is larger than the sum of its proper divisors (3559072).

4023188 is a wasteful number, since it uses less digits than its factorization.

4023188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77386 (or 77384 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 4023188 is about 2005.7886229611. The cubic root of 4023188 is about 159.0462531734.

The spelling of 4023188 in words is "four million, twenty-three thousand, one hundred eighty-eight".

Divisors: 1 2 4 13 26 52 77369 154738 309476 1005797 2011594 4023188