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36724213 is a prime number
BaseRepresentation
bin1000110000010…
…1110111110101
32120002210011001
42030011313311
533400133323
63351043301
7624102451
oct214056765
976083131
1036724213
1119803499
1210370531
1377ba806
144c3d661
1533563ad
hex2305df5

36724213 has 2 divisors, whose sum is σ = 36724214. Its totient is φ = 36724212.

The previous prime is 36724211. The next prime is 36724231. The reversal of 36724213 is 31242763.

Together with next prime (36724231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 6671889 = 5482^2 + 2583^2 .

It is a cyclic number.

It is not a de Polignac number, because 36724213 - 21 = 36724211 is a prime.

Together with 36724211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36724211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18362106 + 18362107.

It is an arithmetic number, because the mean of its divisors is an integer number (18362107).

Almost surely, 236724213 is an apocalyptic number.

It is an amenable number.

36724213 is a deficient number, since it is larger than the sum of its proper divisors (1).

36724213 is an equidigital number, since it uses as much as digits as its factorization.

36724213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 36724213 is about 6060.0505773467. The cubic root of 36724213 is about 332.3922065642.

Subtracting from 36724213 its product of digits (6048), we obtain a triangular number (36718165 = T8569).

Adding to 36724213 its reverse (31242763), we get a palindrome (67966976).

The spelling of 36724213 in words is "thirty-six million, seven hundred twenty-four thousand, two hundred thirteen".