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1145402413 = 9831165211
BaseRepresentation
bin100010001000101…
…0111010000101101
32221211021110201121
41010101113100231
54321210334123
6305353540541
740245521431
oct10421272055
92854243647
101145402413
11538605871
1227b714751
131533b950c
14ac19a9c1
156a85375d
hex4445742d

1145402413 has 4 divisors (see below), whose sum is σ = 1146568608. Its totient is φ = 1144236220.

The previous prime is 1145402393. The next prime is 1145402431. The reversal of 1145402413 is 3142045411.

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 a cyclic number.

It is not a de Polignac number, because 1145402413 - 25 = 1145402381 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 (1145400413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581623 + ... + 583588.

It is an arithmetic number, because the mean of its divisors is an integer number (286642152).

Almost surely, 21145402413 is an apocalyptic number.

It is an amenable number.

1145402413 is a deficient number, since it is larger than the sum of its proper divisors (1166195).

1145402413 is an equidigital number, since it uses as much as digits as its factorization.

1145402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166194.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1145402413 is about 33843.7943056035. The cubic root of 1145402413 is about 1046.2915017935.

Adding to 1145402413 its reverse (3142045411), we get a palindrome (4287447824).

The spelling of 1145402413 in words is "one billion, one hundred forty-five million, four hundred two thousand, four hundred thirteen".

Divisors: 1 983 1165211 1145402413