Search a number
-
+
36813225 = 3522321341
BaseRepresentation
bin1000110001101…
…1100110101001
32120021022020210
42030123212221
533411010400
63353011333
7624623121
oct214334651
976238223
1036813225
1119864359
12103b3b49
13781c197
144c63c81
153372950
hex231b9a9

36813225 has 24 divisors (see below), whose sum is σ = 63513792. Its totient is φ = 18779200.

The previous prime is 36813221. The next prime is 36813233. The reversal of 36813225 is 52231863.

36813225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36813225 - 22 = 36813221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36813192 and 36813201.

It is not an unprimeable number, because it can be changed into a prime (36813221) 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 23 ways as a sum of consecutive naturals, for example, 8946 + ... + 12395.

It is an arithmetic number, because the mean of its divisors is an integer number (2646408).

Almost surely, 236813225 is an apocalyptic number.

It is an amenable number.

36813225 is a deficient number, since it is larger than the sum of its proper divisors (26700567).

36813225 is a wasteful number, since it uses less digits than its factorization.

36813225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21377 (or 21372 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 36813225 is about 6067.3902956708. The cubic root of 36813225 is about 332.6605401840.

The spelling of 36813225 in words is "thirty-six million, eight hundred thirteen thousand, two hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1725 21341 64023 106705 320115 490843 533525 1472529 1600575 2454215 7362645 12271075 36813225