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52707894 = 238784649
BaseRepresentation
bin1100100100010…
…0001000110110
310200011211122020
43021010020312
5101443123034
65121414010
71210003221
oct311041066
9120154566
1052707894
1127830248
121579a306
13abc5b05
1470005b8
154962249
hex3244236

52707894 has 8 divisors (see below), whose sum is σ = 105415800. Its totient is φ = 17569296.

The previous prime is 52707859. The next prime is 52707899. The reversal of 52707894 is 49870725.

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

52707894 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52707899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4392319 + ... + 4392330.

It is an arithmetic number, because the mean of its divisors is an integer number (13176975).

Almost surely, 252707894 is an apocalyptic number.

52707894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52707894 is a wasteful number, since it uses less digits than its factorization.

52707894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784654.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 52707894 is about 7260.0202479056. The cubic root of 52707894 is about 374.9372197125.

The spelling of 52707894 in words is "fifty-two million, seven hundred seven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 8784649 17569298 26353947 52707894