Search a number
-
+
1444053401 = 7206293343
BaseRepresentation
bin101011000010010…
…1000000110011001
310201122020111212022
41112010220012121
510424134202101
6355143024225
750533152140
oct12604500631
93648214768
101444053401
1168114876a
1234373b075
131a023428b
14d9adc757
1586b97a1b
hex56128199

1444053401 has 4 divisors (see below), whose sum is σ = 1650346752. Its totient is φ = 1237760052.

The previous prime is 1444053383. The next prime is 1444053419. The reversal of 1444053401 is 1043504441.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (1444053383) and next prime (1444053419).

It is a cyclic number.

It is not a de Polignac number, because 1444053401 - 26 = 1444053337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444053421) 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, 103146665 + ... + 103146678.

It is an arithmetic number, because the mean of its divisors is an integer number (412586688).

Almost surely, 21444053401 is an apocalyptic number.

It is an amenable number.

1444053401 is a deficient number, since it is larger than the sum of its proper divisors (206293351).

1444053401 is an equidigital number, since it uses as much as digits as its factorization.

1444053401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206293350.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1444053401 is about 38000.7026382408. The cubic root of 1444053401 is about 1130.3017965926.

Adding to 1444053401 its reverse (1043504441), we get a palindrome (2487557842).

The spelling of 1444053401 in words is "one billion, four hundred forty-four million, fifty-three thousand, four hundred one".

Divisors: 1 7 206293343 1444053401