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52181414 = 226090707
BaseRepresentation
bin1100011100001…
…1100110100110
310122012002102222
43013003212212
5101324301124
65102232342
71202351255
oct307034646
9118162388
1052181414
112750073a
12155856b2
13aa7029c
146d0479c
1548ab25e
hex31c39a6

52181414 has 4 divisors (see below), whose sum is σ = 78272124. Its totient is φ = 26090706.

The previous prime is 52181399. The next prime is 52181443. The reversal of 52181414 is 41418125.

52181414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 13045352 + ... + 13045355.

It is an arithmetic number, because the mean of its divisors is an integer number (19568031).

Almost surely, 252181414 is an apocalyptic number.

52181414 is a deficient number, since it is larger than the sum of its proper divisors (26090710).

52181414 is a wasteful number, since it uses less digits than its factorization.

52181414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26090709.

The product of its digits is 1280, while the sum is 26.

The square root of 52181414 is about 7223.6703966889. The cubic root of 52181414 is about 373.6846694385.

Adding to 52181414 its reverse (41418125), we get a palindrome (93599539).

The spelling of 52181414 in words is "fifty-two million, one hundred eighty-one thousand, four hundred fourteen".

Divisors: 1 2 26090707 52181414