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52155714 = 23131574259
BaseRepresentation
bin1100011011110…
…1010101000010
310122010210012010
43012331111002
5101322440324
65101513350
71202213322
oct306752502
9118123163
1052155714
11274933a6
1215572856
13aa61690
146cd9282
1548a3829
hex31bd542

52155714 has 32 divisors (see below), whose sum is σ = 113077440. Its totient is φ = 15941952.

The previous prime is 52155713. The next prime is 52155739. The reversal of 52155714 is 41755125.

52155714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52155713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10117 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (3533670).

Almost surely, 252155714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52155714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56538720).

52155714 is an abundant number, since it is smaller than the sum of its proper divisors (60921726).

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

52155714 is a wasteful number, since it uses less digits than its factorization.

52155714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434.

The product of its digits is 7000, while the sum is 30.

The square root of 52155714 is about 7221.8913035298. The cubic root of 52155714 is about 373.6233112373.

The spelling of 52155714 in words is "fifty-two million, one hundred fifty-five thousand, seven hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 157 314 471 942 2041 4082 4259 6123 8518 12246 12777 25554 55367 110734 166101 332202 668663 1337326 2005989 4011978 8692619 17385238 26077857 52155714