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16540055 = 57472573
BaseRepresentation
bin111111000110…
…000110010111
31011010022200122
4333012012113
513213240210
61350302155
7260405510
oct77060627
934108618
1016540055
119377874
12565795b
13357161c
1422a7a07
1516bab55
hexfc6197

16540055 has 8 divisors (see below), whose sum is σ = 22683552. Its totient is φ = 11341728.

The previous prime is 16540037. The next prime is 16540061. The reversal of 16540055 is 55004561.

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 16540055 - 28 = 16539799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236252 + ... + 236321.

It is an arithmetic number, because the mean of its divisors is an integer number (2835444).

Almost surely, 216540055 is an apocalyptic number.

16540055 is a deficient number, since it is larger than the sum of its proper divisors (6143497).

16540055 is an equidigital number, since it uses as much as digits as its factorization.

16540055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472585.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 16540055 is about 4066.9466433677. The cubic root of 16540055 is about 254.7880078427.

The spelling of 16540055 in words is "sixteen million, five hundred forty thousand, fifty-five".

Divisors: 1 5 7 35 472573 2362865 3308011 16540055