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36345620 = 2251817281
BaseRepresentation
bin1000101010100…
…1011100010100
32112101112211002
42022221130110
533301024440
63335002432
7620634623
oct212513424
975345732
1036345620
1119575003
1210209418
1376b73ac
144b816ba
1532ce115
hex22a9714

36345620 has 12 divisors (see below), whose sum is σ = 76325844. Its totient is φ = 14538240.

The previous prime is 36345611. The next prime is 36345623. The reversal of 36345620 is 2654363.

It can be written as a sum of positive squares in 2 ways, for example, as 13630864 + 22714756 = 3692^2 + 4766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36345623) by changing a digit.

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, 908621 + ... + 908660.

It is an arithmetic number, because the mean of its divisors is an integer number (6360487).

Almost surely, 236345620 is an apocalyptic number.

It is an amenable number.

36345620 is an abundant number, since it is smaller than the sum of its proper divisors (39980224).

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

36345620 is a wasteful number, since it uses less digits than its factorization.

36345620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817290 (or 1817288 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 36345620 is about 6028.7328685222. The cubic root of 36345620 is about 331.2460391125.

Adding to 36345620 its reverse (2654363), we get a palindrome (38999983).

The spelling of 36345620 in words is "thirty-six million, three hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1817281 3634562 7269124 9086405 18172810 36345620