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36131141 = 191901639
BaseRepresentation
bin1000100111010…
…1000101000101
32111222122121102
42021311011011
533222144031
63330225445
7616052414
oct211650505
974878542
1036131141
1119438952
1210125285
137640897
144b2747b
15328a7cb
hex2275145

36131141 has 4 divisors (see below), whose sum is σ = 38032800. Its totient is φ = 34229484.

The previous prime is 36131113. The next prime is 36131149. The reversal of 36131141 is 14113163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36131141 - 222 = 31936837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36131149) 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, 950801 + ... + 950838.

It is an arithmetic number, because the mean of its divisors is an integer number (9508200).

Almost surely, 236131141 is an apocalyptic number.

It is an amenable number.

36131141 is a deficient number, since it is larger than the sum of its proper divisors (1901659).

36131141 is a wasteful number, since it uses less digits than its factorization.

36131141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901658.

The product of its digits is 216, while the sum is 20.

The square root of 36131141 is about 6010.9184822288. The cubic root of 36131141 is about 330.5931816512.

The spelling of 36131141 in words is "thirty-six million, one hundred thirty-one thousand, one hundred forty-one".

Divisors: 1 19 1901639 36131141