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1314532789 = 5712302159
BaseRepresentation
bin100111001011010…
…0010110110110101
310101121112011222121
41032112202312311
510143010022124
6334234555541
744401226053
oct11626426665
93347464877
101314532789
11615023a39
12308298bb1
1317c455a6b
14c68251d3
157a6112e4
hex4e5a2db5

1314532789 has 4 divisors (see below), whose sum is σ = 1316835520. Its totient is φ = 1312230060.

The previous prime is 1314532763. The next prime is 1314532799. The reversal of 1314532789 is 9872354131.

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 1314532789 - 25 = 1314532757 is a prime.

It is a super-2 number, since 2×13145327892 = 3455992906712237042, 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 (1314532799) 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, 1150509 + ... + 1151650.

It is an arithmetic number, because the mean of its divisors is an integer number (329208880).

Almost surely, 21314532789 is an apocalyptic number.

It is an amenable number.

1314532789 is a deficient number, since it is larger than the sum of its proper divisors (2302731).

1314532789 is an equidigital number, since it uses as much as digits as its factorization.

1314532789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302730.

The product of its digits is 181440, while the sum is 43.

The square root of 1314532789 is about 36256.4861645472. The cubic root of 1314532789 is about 1095.4447402845. Note that the first 3 decimals are identical.

The spelling of 1314532789 in words is "one billion, three hundred fourteen million, five hundred thirty-two thousand, seven hundred eighty-nine".

Divisors: 1 571 2302159 1314532789