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16048055 = 53209611
BaseRepresentation
bin111101001101…
…111110110111
31010012022210102
4331031332313
513102014210
61331544315
7253256222
oct75157667
933168712
1016048055
119071161
12545b09b
13342b6ba
1421ba5b9
15161eea5
hexf4dfb7

16048055 has 4 divisors (see below), whose sum is σ = 19257672. Its totient is φ = 12838440.

The previous prime is 16048037. The next prime is 16048061. The reversal of 16048055 is 55084061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55084061 = 421130841.

It is not a de Polignac number, because 16048055 - 214 = 16031671 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 3 ways as a sum of consecutive naturals, for example, 1604801 + ... + 1604810.

It is an arithmetic number, because the mean of its divisors is an integer number (4814418).

Almost surely, 216048055 is an apocalyptic number.

16048055 is a deficient number, since it is larger than the sum of its proper divisors (3209617).

16048055 is an equidigital number, since it uses as much as digits as its factorization.

16048055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209616.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 16048055 is about 4006.0023714421. The cubic root of 16048055 is about 252.2362307794.

The spelling of 16048055 in words is "sixteen million, forty-eight thousand, fifty-five".

Divisors: 1 5 3209611 16048055