Search a number
-
+
2251933 = 3172643
BaseRepresentation
bin1000100101110010011101
311020102001221
420211302131
51034030213
6120133341
725066255
oct10456235
94212057
102251933
1112a8a02
12907251
1360b008
14428965
152e738d
hex225c9d

2251933 has 4 divisors (see below), whose sum is σ = 2324608. Its totient is φ = 2179260.

The previous prime is 2251927. The next prime is 2251943. The reversal of 2251933 is 3391522.

It is a happy number.

2251933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3391522 = 21695761.

It is a cyclic number.

It is not a de Polignac number, because 2251933 - 25 = 2251901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251898 and 2251907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36291 + ... + 36352.

It is an arithmetic number, because the mean of its divisors is an integer number (581152).

22251933 is an apocalyptic number.

It is an amenable number.

2251933 is a deficient number, since it is larger than the sum of its proper divisors (72675).

2251933 is an equidigital number, since it uses as much as digits as its factorization.

2251933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72674.

The product of its digits is 1620, while the sum is 25.

The square root of 2251933 is about 1500.6441950043. The cubic root of 2251933 is about 131.0745841037.

The spelling of 2251933 in words is "two million, two hundred fifty-one thousand, nine hundred thirty-three".

Divisors: 1 31 72643 2251933