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36031945 = 523093121
BaseRepresentation
bin1000100101110…
…0110111001001
32111210121112111
42021130313021
533211010240
63324142321
7615160255
oct211346711
974717474
1036031945
1119380374
12100979a1
1376076a1
144add265
15326b1ea
hex225cdc9

36031945 has 8 divisors (see below), whose sum is σ = 43270920. Its totient is φ = 28803840.

The previous prime is 36031927. The next prime is 36031973. The reversal of 36031945 is 54913063.

36031945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 558009 + 35473936 = 747^2 + 5956^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36031945 - 223 = 27643337 is a prime.

It is an unprimeable number.

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, 9985 + ... + 13105.

It is an arithmetic number, because the mean of its divisors is an integer number (5408865).

Almost surely, 236031945 is an apocalyptic number.

It is an amenable number.

36031945 is a deficient number, since it is larger than the sum of its proper divisors (7238975).

36031945 is a wasteful number, since it uses less digits than its factorization.

36031945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 36031945 is about 6002.6614930379. The cubic root of 36031945 is about 330.2903627429.

The spelling of 36031945 in words is "thirty-six million, thirty-one thousand, nine hundred forty-five".

Divisors: 1 5 2309 3121 11545 15605 7206389 36031945