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52288718 = 2193135463
BaseRepresentation
bin1100011101110…
…1110011001110
310122101112122012
43013131303032
5101341214333
65104421222
71203306146
oct307356316
9118345565
1052288718
1127574319
1215617812
13aaaa091
146d31926
1548cce48
hex31ddcce

52288718 has 8 divisors (see below), whose sum is σ = 78840048. Its totient is φ = 26008704.

The previous prime is 52288697. The next prime is 52288721. The reversal of 52288718 is 81788225.

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

It is a super-2 number, since 2×522887182 = 5468220060167048, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67346 + ... + 68117.

It is an arithmetic number, because the mean of its divisors is an integer number (9855006).

Almost surely, 252288718 is an apocalyptic number.

52288718 is a deficient number, since it is larger than the sum of its proper divisors (26551330).

52288718 is a wasteful number, since it uses less digits than its factorization.

52288718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135658.

The product of its digits is 71680, while the sum is 41.

The square root of 52288718 is about 7231.0938315029. The cubic root of 52288718 is about 373.9406380090.

The spelling of 52288718 in words is "fifty-two million, two hundred eighty-eight thousand, seven hundred eighteen".

Divisors: 1 2 193 386 135463 270926 26144359 52288718