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34108540 = 2252374149
BaseRepresentation
bin1000001000011…
…1010001111100
32101011220010021
42002013101330
532212433130
63215021524
7562626544
oct202072174
971156107
1034108540
1118287284
12b50a8a4
1370b308b
14475c324
152edb37a
hex208747c

34108540 has 24 divisors (see below), whose sum is σ = 74743200. Its totient is φ = 13050048.

The previous prime is 34108537. The next prime is 34108541. The reversal of 34108540 is 4580143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34108541) 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 7 ways as a sum of consecutive naturals, for example, 36615 + ... + 37534.

It is an arithmetic number, because the mean of its divisors is an integer number (3114300).

Almost surely, 234108540 is an apocalyptic number.

It is an amenable number.

34108540 is an abundant number, since it is smaller than the sum of its proper divisors (40634660).

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

34108540 is a wasteful number, since it uses less digits than its factorization.

34108540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74181 (or 74179 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 34108540 is about 5840.2517069044. The cubic root of 34108540 is about 324.3055467494.

Adding to 34108540 its reverse (4580143), we get a palindrome (38688683).

The spelling of 34108540 in words is "thirty-four million, one hundred eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 74149 148298 296596 370745 741490 1482980 1705427 3410854 6821708 8527135 17054270 34108540