Search a number
-
+
389429799 = 31113079029
BaseRepresentation
bin10111001101100…
…011101000100111
31000010210002020220
4113031203220213
51244143223144
6102350455423
712436045563
oct2715435047
91003702226
10389429799
1118a906410
12aa504573
13628b0345
1439a126a3
15242c6919
hex17363a27

389429799 has 16 divisors (see below), whose sum is σ = 566939520. Its totient is φ = 235811360.

The previous prime is 389429779. The next prime is 389429809. The reversal of 389429799 is 997924983.

It is a cyclic number.

It is not a de Polignac number, because 389429799 - 27 = 389429671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389429779) 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, 38617 + ... + 47645.

It is an arithmetic number, because the mean of its divisors is an integer number (35433720).

Almost surely, 2389429799 is an apocalyptic number.

389429799 is a deficient number, since it is larger than the sum of its proper divisors (177509721).

389429799 is a wasteful number, since it uses less digits than its factorization.

389429799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350.

The product of its digits is 8817984, while the sum is 60.

The square root of 389429799 is about 19733.9757524935. The cubic root of 389429799 is about 730.2581178923.

The spelling of 389429799 in words is "three hundred eighty-nine million, four hundred twenty-nine thousand, seven hundred ninety-nine".

Divisors: 1 3 11 33 1307 3921 9029 14377 27087 43131 99319 297957 11800903 35402709 129809933 389429799