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1364387369 = 3435139719
BaseRepresentation
bin101000101010010…
…1110011000101001
310112002100001121112
41101110232120221
510243240343434
6343215320105
745545046512
oct12124563051
93462301545
101364387369
11640185474
12320b20035
1318988cc07
14cd2c1a09
157ebacdce
hex5152e629

1364387369 has 4 divisors (see below), whose sum is σ = 1364461440. Its totient is φ = 1364313300.

The previous prime is 1364387357. The next prime is 1364387371. The reversal of 1364387369 is 9637834631.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9637834631 = 19349936967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1364387369 is a prime.

It is a super-2 number, since 2×13643873692 = 3723105785373484322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1364387329) 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, 14492 + ... + 54210.

It is an arithmetic number, because the mean of its divisors is an integer number (341115360).

Almost surely, 21364387369 is an apocalyptic number.

It is an amenable number.

1364387369 is a deficient number, since it is larger than the sum of its proper divisors (74071).

1364387369 is an equidigital number, since it uses as much as digits as its factorization.

1364387369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74070.

The product of its digits is 1959552, while the sum is 50.

The square root of 1364387369 is about 36937.6145548139. The cubic root of 1364387369 is about 1109.1217707689.

The spelling of 1364387369 in words is "one billion, three hundred sixty-four million, three hundred eighty-seven thousand, three hundred sixty-nine".

Divisors: 1 34351 39719 1364387369