Search a number
-
+
69732 = 223213149
BaseRepresentation
bin10001000001100100
310112122200
4101001210
54212412
61254500
7410205
oct210144
9115580
1069732
1148433
1234430
1325980
141b5ac
15159dc
hex11064

69732 has 36 divisors (see below), whose sum is σ = 191100. Its totient is φ = 21312.

The previous prime is 69709. The next prime is 69737. The reversal of 69732 is 23796.

Added to its reverse (23796) it gives a triangular number (93528 = T432).

It can be written as a sum of positive squares in 2 ways, for example, as 9216 + 60516 = 96^2 + 246^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 69696 and 69705.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 69732.

It is not an unprimeable number, because it can be changed into a prime (69737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394 + ... + 542.

269732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95550).

69732 is an abundant number, since it is smaller than the sum of its proper divisors (121368).

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

69732 is a wasteful number, since it uses less digits than its factorization.

69732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 167 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 69732 is about 264.0681730160. The cubic root of 69732 is about 41.1601902826.

Adding to 69732 its reverse (23796), we get a triangular number (93528 = T432).

It can be divided in two parts, 697 and 32, that added together give a 6-th power (729 = 36).

The spelling of 69732 in words is "sixty-nine thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 149 156 234 298 447 468 596 894 1341 1788 1937 2682 3874 5364 5811 7748 11622 17433 23244 34866 69732