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36513020 = 2254342457
BaseRepresentation
bin1000101101001…
…0010011111100
32112201001110002
42023102103330
533321404040
63342333432
7622232645
oct213222374
975631402
1036513020
1119679855
121028a278
13774564b
144bc66cc
153313a15
hex22d24fc

36513020 has 24 divisors (see below), whose sum is σ = 78462384. Its totient is φ = 14265216.

The previous prime is 36513017. The next prime is 36513023. The reversal of 36513020 is 2031563.

36513020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (36513017) and next prime (36513023).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 36512983 and 36513001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36513023) 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 7 ways as a sum of consecutive naturals, for example, 20369 + ... + 22088.

It is an arithmetic number, because the mean of its divisors is an integer number (3269266).

Almost surely, 236513020 is an apocalyptic number.

It is an amenable number.

36513020 is an abundant number, since it is smaller than the sum of its proper divisors (41949364).

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

36513020 is a wasteful number, since it uses less digits than its factorization.

36513020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42509 (or 42507 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 36513020 is about 6042.6004335882. The cubic root of 36513020 is about 331.7538093565.

Adding to 36513020 its reverse (2031563), we get a palindrome (38544583).

The spelling of 36513020 in words is "thirty-six million, five hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 42457 84914 169828 212285 424570 849140 1825651 3651302 7302604 9128255 18256510 36513020