Search a number
-
+
389670027 = 34127711437
BaseRepresentation
bin10111001110011…
…110010010001011
31000011020021210020
4113032132102023
51244223420102
6102355551523
712441066135
oct2716362213
91004207706
10389670027
1118aa5a94a
12aa5bb5a3
13629657a6
1439a76055
1524322bbc
hex1739e48b

389670027 has 16 divisors (see below), whose sum is σ = 534200352. Its totient is φ = 252506880.

The previous prime is 389670023. The next prime is 389670077. The reversal of 389670027 is 720076983.

It is not a de Polignac number, because 389670027 - 22 = 389670023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389670023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28353 + ... + 39789.

It is an arithmetic number, because the mean of its divisors is an integer number (33387522).

Almost surely, 2389670027 is an apocalyptic number.

389670027 is a deficient number, since it is larger than the sum of its proper divisors (144530325).

389670027 is a wasteful number, since it uses less digits than its factorization.

389670027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 389670027 is about 19740.0614740684. The cubic root of 389670027 is about 730.4082454101.

The spelling of 389670027 in words is "three hundred eighty-nine million, six hundred seventy thousand, twenty-seven".

Divisors: 1 3 41 123 277 831 11357 11437 34071 34311 468917 1406751 3168049 9504147 129890009 389670027