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1353231461 = 10712647023
BaseRepresentation
bin101000010101000…
…1010110001100101
310111022100021120202
41100222022301211
510232411401321
6342140240245
745351164141
oct12052126145
93438307522
101353231461
1163495590a
12319240085
1318748519a
14cba1a221
157dc0770b
hex50a8ac65

1353231461 has 4 divisors (see below), whose sum is σ = 1365878592. Its totient is φ = 1340584332.

The previous prime is 1353231443. The next prime is 1353231469. The reversal of 1353231461 is 1641323531.

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 1353231461 - 214 = 1353215077 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 (1353231469) 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, 6323405 + ... + 6323618.

It is an arithmetic number, because the mean of its divisors is an integer number (341469648).

Almost surely, 21353231461 is an apocalyptic number.

It is an amenable number.

1353231461 is a deficient number, since it is larger than the sum of its proper divisors (12647131).

1353231461 is a wasteful number, since it uses less digits than its factorization.

1353231461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647130.

The product of its digits is 6480, while the sum is 29.

The square root of 1353231461 is about 36786.2944722624. The cubic root of 1353231461 is about 1106.0905842572.

Adding to 1353231461 its reverse (1641323531), we get a palindrome (2994554992).

The spelling of 1353231461 in words is "one billion, three hundred fifty-three million, two hundred thirty-one thousand, four hundred sixty-one".

Divisors: 1 107 12647023 1353231461