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52706 = 219273
BaseRepresentation
bin1100110111100010
32200022002
430313202
53141311
61044002
7306443
oct146742
980262
1052706
1136665
1226602
131acb4
14152ca
151093b
hexcde2

52706 has 12 divisors (see below), whose sum is σ = 84582. Its totient is φ = 24624.

The previous prime is 52697. The next prime is 52709. The reversal of 52706 is 60725.

It can be written as a sum of positive squares in only one way, i.e., 43681 + 9025 = 209^2 + 95^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 55 + 215 + 75 + 0 + 6 .

It is not an unprimeable number, because it can be changed into a prime (52709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686 + ... + 758.

252706 is an apocalyptic number.

52706 is a deficient number, since it is larger than the sum of its proper divisors (31876).

52706 is a wasteful number, since it uses less digits than its factorization.

52706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 52706 is about 229.5778734983. The cubic root of 52706 is about 37.4932728674.

It can be divided in two parts, 5 and 2706, that multiplied together give a triangular number (13530 = T164).

The spelling of 52706 in words is "fifty-two thousand, seven hundred six".

Divisors: 1 2 19 38 73 146 361 722 1387 2774 26353 52706