Search a number
-
+
2052401 = 13157877
BaseRepresentation
bin111110101000100110001
310212021100212
413311010301
51011134101
6111553505
723305451
oct7650461
93767325
102052401
111181aaa
1282b895
1356b250
143b5d61
152a81bb
hex1f5131

2052401 has 4 divisors (see below), whose sum is σ = 2210292. Its totient is φ = 1894512.

The previous prime is 2052371. The next prime is 2052409. The reversal of 2052401 is 1042502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042502 = 2521251.

It can be written as a sum of positive squares in 2 ways, for example, as 564001 + 1488400 = 751^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052401 - 214 = 2036017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052409) 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, 78926 + ... + 78951.

It is an arithmetic number, because the mean of its divisors is an integer number (552573).

22052401 is an apocalyptic number.

It is an amenable number.

2052401 is a deficient number, since it is larger than the sum of its proper divisors (157891).

2052401 is a wasteful number, since it uses less digits than its factorization.

2052401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157890.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2052401 is about 1432.6203265346. The cubic root of 2052401 is about 127.0829845970.

Adding to 2052401 its reverse (1042502), we get a palindrome (3094903).

The spelling of 2052401 in words is "two million, fifty-two thousand, four hundred one".

Divisors: 1 13 157877 2052401