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52168687 = 412574951
BaseRepresentation
bin1100011100000…
…0011111101111
310122011102222121
43013000133233
5101323344222
65102053411
71202266204
oct307003757
9118142877
1052168687
11274a211a
121557a267
13aa6755c
146cddcab
1548a75c7
hex31c07ef

52168687 has 8 divisors (see below), whose sum is σ = 53659872. Its totient is φ = 50688000.

The previous prime is 52168667. The next prime is 52168693. The reversal of 52168687 is 78686125.

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

It is a cyclic number.

It is not a de Polignac number, because 52168687 - 27 = 52168559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52168657) 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, 8062 + ... + 13012.

It is an arithmetic number, because the mean of its divisors is an integer number (6707484).

Almost surely, 252168687 is an apocalyptic number.

52168687 is a deficient number, since it is larger than the sum of its proper divisors (1491185).

52168687 is a wasteful number, since it uses less digits than its factorization.

52168687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249.

The product of its digits is 161280, while the sum is 43.

The square root of 52168687 is about 7222.7894196079. The cubic root of 52168687 is about 373.6542865165.

The spelling of 52168687 in words is "fifty-two million, one hundred sixty-eight thousand, six hundred eighty-seven".

Divisors: 1 41 257 4951 10537 202991 1272407 52168687