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34240155 = 352978713
BaseRepresentation
bin1000001010011…
…1011010011011
32101102120122220
42002213122123
532231141110
63221515123
7564015345
oct202473233
971376586
1034240155
1118367154
12b572aa3
13712ac61
144794295
153015370
hex20a769b

34240155 has 16 divisors (see below), whose sum is σ = 56674080. Its totient is φ = 17631488.

The previous prime is 34240117. The next prime is 34240181. The reversal of 34240155 is 55104243.

34240155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 34240155 - 28 = 34239899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38922 + ... + 39791.

It is an arithmetic number, because the mean of its divisors is an integer number (3542130).

Almost surely, 234240155 is an apocalyptic number.

34240155 is a deficient number, since it is larger than the sum of its proper divisors (22433925).

34240155 is a wasteful number, since it uses less digits than its factorization.

34240155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78750.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 34240155 is about 5851.5087797935. The cubic root of 34240155 is about 324.7221451620.

Adding to 34240155 its reverse (55104243), we get a palindrome (89344398).

The spelling of 34240155 in words is "thirty-four million, two hundred forty thousand, one hundred fifty-five".

Divisors: 1 3 5 15 29 87 145 435 78713 236139 393565 1180695 2282677 6848031 11413385 34240155