Search a number
-
+
2051432 = 231491721
BaseRepresentation
bin111110100110101101000
310212020000222
413310311220
51011121212
6111545212
723302565
oct7646550
93766028
102051432
1111812a9
1282b208
1356a986
143b586c
152a7c72
hex1f4d68

2051432 has 16 divisors (see below), whose sum is σ = 3874500. Its totient is φ = 1018240.

The previous prime is 2051429. The next prime is 2051437. The reversal of 2051432 is 2341502.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 17956 = 1426^2 + 134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2051432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051437) 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, 332 + ... + 2052.

22051432 is an apocalyptic number.

It is an amenable number.

2051432 is a deficient number, since it is larger than the sum of its proper divisors (1823068).

2051432 is a wasteful number, since it uses less digits than its factorization.

2051432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2051432 is about 1432.2820951195. The cubic root of 2051432 is about 127.0629815539.

Adding to 2051432 its reverse (2341502), we get a palindrome (4392934).

The spelling of 2051432 in words is "two million, fifty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 149 298 596 1192 1721 3442 6884 13768 256429 512858 1025716 2051432