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1389301045 = 51125260019
BaseRepresentation
bin101001011001111…
…0000110100110101
310120211012210202021
41102303300310311
510321130113140
6345505313141
746266602236
oct12263606465
93524183667
101389301045
11653251490
123293357b1
13191aa3a32
14d272908d
1581e7eb4a
hex52cf0d35

1389301045 has 8 divisors (see below), whose sum is σ = 1818721440. Its totient is φ = 1010400720.

The previous prime is 1389301021. The next prime is 1389301051. The reversal of 1389301045 is 5401039831.

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

It is not a de Polignac number, because 1389301045 - 27 = 1389300917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1389301045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12629955 + ... + 12630064.

It is an arithmetic number, because the mean of its divisors is an integer number (227340180).

Almost surely, 21389301045 is an apocalyptic number.

It is an amenable number.

1389301045 is a deficient number, since it is larger than the sum of its proper divisors (429420395).

1389301045 is a wasteful number, since it uses less digits than its factorization.

1389301045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25260035.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1389301045 is about 37273.3288693135. The cubic root of 1389301045 is about 1115.8319369077.

The spelling of 1389301045 in words is "one billion, three hundred eighty-nine million, three hundred one thousand, forty-five".

Divisors: 1 5 11 55 25260019 126300095 277860209 1389301045