Search a number
-
+
3152401 = 7450343
BaseRepresentation
bin1100000001101000010001
312221011021121
430001220101
51301334101
6151322241
735536450
oct14015021
95834247
103152401
11186349a
121080381
13864b35
145c0b97
154240a1
hex301a11

3152401 has 4 divisors (see below), whose sum is σ = 3602752. Its totient is φ = 2702052.

The previous prime is 3152399. The next prime is 3152441. The reversal of 3152401 is 1042513.

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: 1042513 = 7314281.

It is a cyclic number.

It is not a de Polignac number, because 3152401 - 21 = 3152399 is a prime.

It is the 1776-th Hogben number.

It is a Duffinian number.

3152401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3152441) by changing a digit.

It is a nontrivial repunit in base 1775.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225165 + ... + 225178.

It is an arithmetic number, because the mean of its divisors is an integer number (900688).

Almost surely, 23152401 is an apocalyptic number.

It is an amenable number.

3152401 is a deficient number, since it is larger than the sum of its proper divisors (450351).

3152401 is an equidigital number, since it uses as much as digits as its factorization.

3152401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450350.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3152401 is about 1775.5002112081. The cubic root of 3152401 is about 146.6269560765.

Adding to 3152401 its reverse (1042513), we get a palindrome (4194914).

It can be divided in two parts, 3152 and 401, that added together give a palindrome (3553).

The spelling of 3152401 in words is "three million, one hundred fifty-two thousand, four hundred one".

Divisors: 1 7 450343 3152401