Search a number
-
+
34690905 = 325770909
BaseRepresentation
bin1000010001010…
…1011101011001
32102021110222100
42010111131121
532340102110
63235314013
7600603444
oct204253531
972243870
1034690905
1118644877
12b74b909
137258182
14487065b
1530a3bc0
hex2115759

34690905 has 12 divisors (see below), whose sum is σ = 60130980. Its totient is φ = 18501792.

The previous prime is 34690871. The next prime is 34690913. The reversal of 34690905 is 50909643.

It can be written as a sum of positive squares in 2 ways, for example, as 27594009 + 7096896 = 5253^2 + 2664^2 .

It is not a de Polignac number, because 34690905 - 29 = 34690393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34690905.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385410 + ... + 385499.

It is an arithmetic number, because the mean of its divisors is an integer number (5010915).

Almost surely, 234690905 is an apocalyptic number.

It is an amenable number.

34690905 is a deficient number, since it is larger than the sum of its proper divisors (25440075).

34690905 is a wasteful number, since it uses less digits than its factorization.

34690905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770920 (or 770917 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 34690905 is about 5889.8985560025. The cubic root of 34690905 is about 326.1408583707.

The spelling of 34690905 in words is "thirty-four million, six hundred ninety thousand, nine hundred five".

Divisors: 1 3 5 9 15 45 770909 2312727 3854545 6938181 11563635 34690905