Search a number
-
+
34691538 = 2378091021
BaseRepresentation
bin1000010001010…
…1100111010010
32102021111211210
42010111213102
532340112123
63235320550
7600605340
oct204254722
972244753
1034691538
11186452a2
12b750156
13725854b
144870990
1530a3e93
hex21159d2

34691538 has 32 divisors (see below), whose sum is σ = 79470720. Its totient is φ = 9889920.

The previous prime is 34691537. The next prime is 34691563. The reversal of 34691538 is 83519643.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34691496 and 34691505.

It is not an unprimeable number, because it can be changed into a prime (34691537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33468 + ... + 34488.

It is an arithmetic number, because the mean of its divisors is an integer number (2483460).

Almost surely, 234691538 is an apocalyptic number.

34691538 is an abundant number, since it is smaller than the sum of its proper divisors (44779182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34691538 is a wasteful number, since it uses less digits than its factorization.

34691538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842.

The product of its digits is 77760, while the sum is 39.

The square root of 34691538 is about 5889.9522918272. The cubic root of 34691538 is about 326.1428420406.

The spelling of 34691538 in words is "thirty-four million, six hundred ninety-one thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 809 1021 1618 2042 2427 3063 4854 5663 6126 7147 11326 14294 16989 21441 33978 42882 825989 1651978 2477967 4955934 5781923 11563846 17345769 34691538