Search a number
-
+
2023834 = 21011917
BaseRepresentation
bin111101110000110011010
310210211011211
413232012122
51004230314
6111213334
723126251
oct7560632
93724154
102023834
11116259a
1281724a
1355b247
143a9798
1529e9c4
hex1ee19a

2023834 has 4 divisors (see below), whose sum is σ = 3035754. Its totient is φ = 1011916.

The previous prime is 2023831. The next prime is 2023837. The reversal of 2023834 is 4383202.

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 (2023831) and next prime (2023837).

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 21609 = 1415^2 + 147^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2023831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505957 + ... + 505960.

22023834 is an apocalyptic number.

2023834 is a deficient number, since it is larger than the sum of its proper divisors (1011920).

2023834 is a wasteful number, since it uses less digits than its factorization.

2023834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011919.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2023834 is about 1422.6151974445. The cubic root of 2023834 is about 126.4906126026.

The spelling of 2023834 in words is "two million, twenty-three thousand, eight hundred thirty-four".

Divisors: 1 2 1011917 2023834