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52686697 = 724131231
BaseRepresentation
bin1100100011111…
…0111101101001
310200010202120011
43020332331221
5101441433242
65121131521
71206554350
oct310767551
9120122504
1052686697
1127816328
1215789ba1
13abb927b
146dd6997
15495ad17
hex323ef69

52686697 has 8 divisors (see below), whose sum is σ = 60465152. Its totient is φ = 44971200.

The previous prime is 52686691. The next prime is 52686703. The reversal of 52686697 is 79668625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52686691) and next prime (52686703).

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 52686697 - 215 = 52653929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52686697.

It is not an unprimeable number, because it can be changed into a prime (52686691) 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, 13929 + ... + 17302.

It is an arithmetic number, because the mean of its divisors is an integer number (7558144).

Almost surely, 252686697 is an apocalyptic number.

It is an amenable number.

52686697 is a deficient number, since it is larger than the sum of its proper divisors (7778455).

52686697 is a wasteful number, since it uses less digits than its factorization.

52686697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31479.

The product of its digits is 1088640, while the sum is 49.

The square root of 52686697 is about 7258.5602566900. The cubic root of 52686697 is about 374.8869514049.

The spelling of 52686697 in words is "fifty-two million, six hundred eighty-six thousand, six hundred ninety-seven".

Divisors: 1 7 241 1687 31231 218617 7526671 52686697