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16934505 = 357161281
BaseRepresentation
bin100000010011…
…0011001101001
31011212100202220
41000212121221
513313401010
61402544253
7263640510
oct100463151
934770686
1016934505
119617165
125808089
13367c023
14236b677
151747970
hex1026669

16934505 has 16 divisors (see below), whose sum is σ = 30966144. Its totient is φ = 7741440.

The previous prime is 16934503. The next prime is 16934513. The reversal of 16934505 is 50543961.

It is a happy number.

It is not a de Polignac number, because 16934505 - 21 = 16934503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16934503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80536 + ... + 80745.

It is an arithmetic number, because the mean of its divisors is an integer number (1935384).

Almost surely, 216934505 is an apocalyptic number.

16934505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16934505 is a deficient number, since it is larger than the sum of its proper divisors (14031639).

16934505 is a wasteful number, since it uses less digits than its factorization.

16934505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161296.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 16934505 is about 4115.1555256150. The cubic root of 16934505 is about 256.7975260823.

The spelling of 16934505 in words is "sixteen million, nine hundred thirty-four thousand, five hundred five".

Divisors: 1 3 5 7 15 21 35 105 161281 483843 806405 1128967 2419215 3386901 5644835 16934505