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52168115 = 561171043
BaseRepresentation
bin1100011100000…
…0010110110011
310122011102012102
43013000112303
5101323334430
65102051015
71202264426
oct307002663
9118142172
1052168115
11274a174a
1215579a6b
13aa6720c
146cdd9bd
1548a7345
hex31c05b3

52168115 has 8 divisors (see below), whose sum is σ = 63628368. Its totient is φ = 41050080.

The previous prime is 52168111. The next prime is 52168157. The reversal of 52168115 is 51186125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52168115 - 22 = 52168111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52168111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85217 + ... + 85826.

It is an arithmetic number, because the mean of its divisors is an integer number (7953546).

Almost surely, 252168115 is an apocalyptic number.

52168115 is a deficient number, since it is larger than the sum of its proper divisors (11460253).

52168115 is a wasteful number, since it uses less digits than its factorization.

52168115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171109.

The product of its digits is 2400, while the sum is 29.

The square root of 52168115 is about 7222.7498226091. The cubic root of 52168115 is about 373.6529208759.

It can be divided in two parts, 5216 and 8115, that added together give a palindrome (13331).

The spelling of 52168115 in words is "fifty-two million, one hundred sixty-eight thousand, one hundred fifteen".

Divisors: 1 5 61 305 171043 855215 10433623 52168115