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52150679 = 717438241
BaseRepresentation
bin1100011011110…
…0000110010111
310122010112021122
43012330012113
5101322310204
65101434155
71202162540
oct306740627
9118115248
1052150679
112748a639
121556b95b
13aa5c2b9
146cd74c7
1548a20be
hex31bc197

52150679 has 8 divisors (see below), whose sum is σ = 63106848. Its totient is φ = 42071040.

The previous prime is 52150673. The next prime is 52150699. The reversal of 52150679 is 97605125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52150679 is a prime.

It is a super-2 number, since 2×521506792 = 5439386640322082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52150673) 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, 219002 + ... + 219239.

It is an arithmetic number, because the mean of its divisors is an integer number (7888356).

Almost surely, 252150679 is an apocalyptic number.

52150679 is a deficient number, since it is larger than the sum of its proper divisors (10956169).

52150679 is a wasteful number, since it uses less digits than its factorization.

52150679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438265.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 52150679 is about 7221.5427022209. The cubic root of 52150679 is about 373.6112879212.

The spelling of 52150679 in words is "fifty-two million, one hundred fifty thousand, six hundred seventy-nine".

Divisors: 1 7 17 119 438241 3067687 7450097 52150679