Search a number
-
+
1043030401 = 7149004343
BaseRepresentation
bin111110001010110…
…110000110000001
32200200122102201121
4332022312012001
54114003433101
6251255432241
734563416650
oct7612660601
92620572647
101043030401
114958441a6
12251385681
1313812516a
149c74d197
15618810a1
hex3e2b6181

1043030401 has 4 divisors (see below), whose sum is σ = 1192034752. Its totient is φ = 894026052.

The previous prime is 1043030389. The next prime is 1043030423. The reversal of 1043030401 is 1040303401.

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: 1040303401 = 1384175161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1043030401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043030431) 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, 74502165 + ... + 74502178.

It is an arithmetic number, because the mean of its divisors is an integer number (298008688).

Almost surely, 21043030401 is an apocalyptic number.

It is an amenable number.

1043030401 is a deficient number, since it is larger than the sum of its proper divisors (149004351).

1043030401 is an equidigital number, since it uses as much as digits as its factorization.

1043030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149004350.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1043030401 is about 32295.9811896155. The cubic root of 1043030401 is about 1014.1425134293.

Adding to 1043030401 its reverse (1040303401), we get a palindrome (2083333802).

The spelling of 1043030401 in words is "one billion, forty-three million, thirty thousand, four hundred one".

Divisors: 1 7 149004343 1043030401