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1364884631 = 11124080421
BaseRepresentation
bin101000101011010…
…0111110010010111
310112010021022201122
41101112213302113
510243402302011
6343234114155
745552220325
oct12126476227
93463238648
101364884631
11640495030
1232111b95b
13189a05356
14cd3b0d15
157ec5a3db
hex515a7c97

1364884631 has 4 divisors (see below), whose sum is σ = 1488965064. Its totient is φ = 1240804200.

The previous prime is 1364884597. The next prime is 1364884639.

1364884631 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1364884631 - 230 = 291142807 is a prime.

It is a super-2 number, since 2×13648846312 = 3725820111880012322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364884639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62040200 + ... + 62040221.

It is an arithmetic number, because the mean of its divisors is an integer number (372241266).

Almost surely, 21364884631 is an apocalyptic number.

1364884631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1364884631 is a deficient number, since it is larger than the sum of its proper divisors (124080433).

1364884631 is a wasteful number, since it uses less digits than its factorization.

1364884631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124080432.

The product of its digits is 331776, while the sum is 44.

The square root of 1364884631 is about 36944.3450476524. The cubic root of 1364884631 is about 1109.2564971996.

The spelling of 1364884631 in words is "one billion, three hundred sixty-four million, eight hundred eighty-four thousand, six hundred thirty-one".

Divisors: 1 11 124080421 1364884631