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4000233 = 31333411
BaseRepresentation
bin1111010000100111101001
321112020021210
433100213221
52011001413
6221423333
746000326
oct17204751
97466253
104000233
112292486
12140ab49
13aa0a03
14761b4d
155403c3
hex3d09e9

4000233 has 4 divisors (see below), whose sum is σ = 5333648. Its totient is φ = 2666820.

The previous prime is 4000189. The next prime is 4000237. The reversal of 4000233 is 3320004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4000233 - 26 = 4000169 is a prime.

It is a D-number.

It is a Duffinian number.

4000233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4000237) 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, 666703 + ... + 666708.

It is an arithmetic number, because the mean of its divisors is an integer number (1333412).

Almost surely, 24000233 is an apocalyptic number.

It is an amenable number.

4000233 is a deficient number, since it is larger than the sum of its proper divisors (1333415).

4000233 is a wasteful number, since it uses less digits than its factorization.

4000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333414.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 4000233 is about 2000.0582491518. The cubic root of 4000233 is about 158.7431873407.

Adding to 4000233 its reverse (3320004), we get a palindrome (7320237).

The spelling of 4000233 in words is "four million, two hundred thirty-three", and thus it is an aban number.

Divisors: 1 3 1333411 4000233