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36381487 = 151479503
BaseRepresentation
bin1000101011001…
…0001100101111
32112110101000111
42022302030233
533303201422
63335440451
7621144322
oct212621457
975411014
1036381487
1119599a4a
1210226127
1376ca80c
144b907b9
1532d9a77
hex22b232f

36381487 has 8 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 35993400.

The previous prime is 36381461. The next prime is 36381493. The reversal of 36381487 is 78418363.

36381487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 36381487 - 223 = 27992879 is a prime.

It is a super-2 number, since 2×363814872 = 2647225192662338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36381427) 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, 72078 + ... + 72580.

It is an arithmetic number, because the mean of its divisors is an integer number (4596480).

Almost surely, 236381487 is an apocalyptic number.

36381487 is a deficient number, since it is larger than the sum of its proper divisors (390353).

36381487 is a wasteful number, since it uses less digits than its factorization.

36381487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its digits is 96768, while the sum is 40.

The square root of 36381487 is about 6031.7068065349. The cubic root of 36381487 is about 331.3549646236.

The spelling of 36381487 in words is "thirty-six million, three hundred eighty-one thousand, four hundred eighty-seven".

Divisors: 1 151 479 503 72329 75953 240937 36381487