Search a number
-
+
36998725 = 525572657
BaseRepresentation
bin1000110100100…
…0111001000101
32120121201201011
42031020321011
533432424400
63401002221
7626325001
oct215107105
976551634
1036998725
1119980765
1210483371
13788574a
144cb1701
1533ac8ba
hex2348e45

36998725 has 12 divisors (see below), whose sum is σ = 45978084. Its totient is φ = 29534720.

The previous prime is 36998713. The next prime is 36998761. The reversal of 36998725 is 52789963.

It can be written as a sum of positive squares in 6 ways, for example, as 3381921 + 33616804 = 1839^2 + 5798^2 .

It is not a de Polignac number, because 36998725 - 219 = 36474437 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 12597 + ... + 15253.

It is an arithmetic number, because the mean of its divisors is an integer number (3831507).

Almost surely, 236998725 is an apocalyptic number.

It is an amenable number.

36998725 is a deficient number, since it is larger than the sum of its proper divisors (8979359).

36998725 is a wasteful number, since it uses less digits than its factorization.

36998725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3219 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 36998725 is about 6082.6577250409. The cubic root of 36998725 is about 333.2183575685.

The spelling of 36998725 in words is "thirty-six million, nine hundred ninety-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 557 2657 2785 13285 13925 66425 1479949 7399745 36998725