Search a number
-
+
36136720 = 245451709
BaseRepresentation
bin1000100111011…
…0011100010000
32111222221021001
42021312130100
533222333340
63330311344
7616104604
oct211663420
974887231
1036136720
1119442064
1210128554
137643299
144b29504
15328c29a
hex2276710

36136720 has 20 divisors (see below), whose sum is σ = 84018060. Its totient is φ = 14454656.

The previous prime is 36136717. The next prime is 36136769. The reversal of 36136720 is 2763163.

It can be written as a sum of positive squares in 2 ways, for example, as 26501904 + 9634816 = 5148^2 + 3104^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225775 + ... + 225934.

It is an arithmetic number, because the mean of its divisors is an integer number (4200903).

Almost surely, 236136720 is an apocalyptic number.

It is an amenable number.

36136720 is an abundant number, since it is smaller than the sum of its proper divisors (47881340).

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

36136720 is a wasteful number, since it uses less digits than its factorization.

36136720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451722 (or 451716 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 36136720 is about 6011.3825364886. The cubic root of 36136720 is about 330.6101963776.

Adding to 36136720 its reverse (2763163), we get a palindrome (38899883).

It can be divided in two parts, 36136 and 720, that added together give a triangular number (36856 = T271).

The spelling of 36136720 in words is "thirty-six million, one hundred thirty-six thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 451709 903418 1806836 2258545 3613672 4517090 7227344 9034180 18068360 36136720