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1144301413 = 5569205477
BaseRepresentation
bin100010000110100…
…1010011101100101
32221202012112102211
41010031022131211
54320420121123
6305314203421
740233254503
oct10415123545
92852175384
101144301413
11537a23652
1227b283571
131530c2338
14abd91673
156a6d740d
hex4434a765

1144301413 has 4 divisors (see below), whose sum is σ = 1144512460. Its totient is φ = 1144090368.

The previous prime is 1144301383. The next prime is 1144301443. The reversal of 1144301413 is 3141034411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3141034411 = 6195074369.

It is an interprime number because it is at equal distance from previous prime (1144301383) and next prime (1144301443).

It can be written as a sum of positive squares in 2 ways, for example, as 617920164 + 526381249 = 24858^2 + 22943^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144301413 - 25 = 1144301381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144301443) 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, 97170 + ... + 108307.

It is an arithmetic number, because the mean of its divisors is an integer number (286128115).

Almost surely, 21144301413 is an apocalyptic number.

It is an amenable number.

1144301413 is a deficient number, since it is larger than the sum of its proper divisors (211047).

1144301413 is an equidigital number, since it uses as much as digits as its factorization.

1144301413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211046.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1144301413 is about 33827.5244882034. The cubic root of 1144301413 is about 1045.9561505868.

Adding to 1144301413 its reverse (3141034411), we get a palindrome (4285335824).

The spelling of 1144301413 in words is "one billion, one hundred forty-four million, three hundred one thousand, four hundred thirteen".

Divisors: 1 5569 205477 1144301413