Search a number
-
+
1369007485 = 5478957173
BaseRepresentation
bin101000110011001…
…0110010101111101
310112102000210012221
41101212112111331
510300431214420
6343502325341
745632241316
oct12146262575
93472023187
101369007485
1164285064a
12322589851
1318a819b01
14cdb6560d
15802c1caa
hex5199657d

1369007485 has 8 divisors (see below), whose sum is σ = 1643180760. Its totient is φ = 1094958144.

The previous prime is 1369007459. The next prime is 1369007491. The reversal of 1369007485 is 5847009631.

It can be written as a sum of positive squares in 4 ways, for example, as 168662169 + 1200345316 = 12987^2 + 34646^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1369007485 - 213 = 1368999293 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4642 + ... + 52531.

It is an arithmetic number, because the mean of its divisors is an integer number (205397595).

Almost surely, 21369007485 is an apocalyptic number.

It is an amenable number.

1369007485 is a deficient number, since it is larger than the sum of its proper divisors (274173275).

1369007485 is an equidigital number, since it uses as much as digits as its factorization.

1369007485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61967.

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

The square root of 1369007485 is about 37000.1011485104. The cubic root of 1369007485 is about 1110.3722705027.

The spelling of 1369007485 in words is "one billion, three hundred sixty-nine million, seven thousand, four hundred eighty-five".

Divisors: 1 5 4789 23945 57173 285865 273801497 1369007485