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23434541 = 131802657
BaseRepresentation
bin101100101100…
…1010100101101
31122002121010222
41121121110231
521444401131
62154141125
7403122164
oct131312455
948077128
1023434541
1112256799
127a217a5
134b167c0
1431803db
1520cd87b
hex165952d

23434541 has 4 divisors (see below), whose sum is σ = 25237212. Its totient is φ = 21631872.

The previous prime is 23434531. The next prime is 23434549. The reversal of 23434541 is 14543432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 16564900 = 2621^2 + 4070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23434541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 23434541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 901316 + ... + 901341.

It is an arithmetic number, because the mean of its divisors is an integer number (6309303).

Almost surely, 223434541 is an apocalyptic number.

It is an amenable number.

23434541 is a deficient number, since it is larger than the sum of its proper divisors (1802671).

23434541 is a wasteful number, since it uses less digits than its factorization.

23434541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802670.

The product of its digits is 5760, while the sum is 26.

The square root of 23434541 is about 4840.9235689071. The cubic root of 23434541 is about 286.1665167201.

Adding to 23434541 its reverse (14543432), we get a palindrome (37977973).

The spelling of 23434541 in words is "twenty-three million, four hundred thirty-four thousand, five hundred forty-one".

Divisors: 1 13 1802657 23434541