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540190761 = 31116369417
BaseRepresentation
bin100000001100101…
…010100000101001
31101122110112102020
4200030222200221
52101242101021
6125334055053
716246355115
oct4014524051
91348415366
10540190761
11257a18350
12130aaa489
1387bb7706
1451a58745
15326567c6
hex2032a829

540190761 has 8 divisors (see below), whose sum is σ = 785732064. Its totient is φ = 327388320.

The previous prime is 540190757. The next prime is 540190771. The reversal of 540190761 is 167091045.

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

It is not a de Polignac number, because 540190761 - 22 = 540190757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 16369417 = 540190761 / (5 + 4 + 0 + 1 + 9 + 0 + 7 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (540190711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8184676 + ... + 8184741.

It is an arithmetic number, because the mean of its divisors is an integer number (98216508).

Almost surely, 2540190761 is an apocalyptic number.

It is an amenable number.

540190761 is a deficient number, since it is larger than the sum of its proper divisors (245541303).

540190761 is a wasteful number, since it uses less digits than its factorization.

540190761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16369431.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 540190761 is about 23242.0042380170. The cubic root of 540190761 is about 814.4211635076.

The spelling of 540190761 in words is "five hundred forty million, one hundred ninety thousand, seven hundred sixty-one".

Divisors: 1 3 11 33 16369417 49108251 180063587 540190761