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52153871 = 711677323
BaseRepresentation
bin1100011011110…
…0111000001111
310122010200122212
43012330320033
5101322410441
65101501035
71202205050
oct306747017
9118120585
1052153871
1127491a80
121557177b
13aa608a3
146cd8727
1548a2eeb
hex31bce0f

52153871 has 8 divisors (see below), whose sum is σ = 65023104. Its totient is φ = 40639320.

The previous prime is 52153867. The next prime is 52153877. The reversal of 52153871 is 17835125.

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 52153871 - 22 = 52153867 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 (52153877) 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, 338585 + ... + 338738.

It is an arithmetic number, because the mean of its divisors is an integer number (8127888).

Almost surely, 252153871 is an apocalyptic number.

52153871 is a deficient number, since it is larger than the sum of its proper divisors (12869233).

52153871 is a wasteful number, since it uses less digits than its factorization.

52153871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677341.

The product of its digits is 8400, while the sum is 32.

The square root of 52153871 is about 7221.7637042484. The cubic root of 52153871 is about 373.6189103397.

Adding to 52153871 its reverse (17835125), we get a palindrome (69988996).

The spelling of 52153871 in words is "fifty-two million, one hundred fifty-three thousand, eight hundred seventy-one".

Divisors: 1 7 11 77 677323 4741261 7450553 52153871