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16424155 = 511298621
BaseRepresentation
bin111110101001…
…110011011011
31010220102201001
4332221303123
513201033110
61344005431
7256413556
oct76516333
933812631
1016424155
1192a8790
125600877
133530947
14227769d
15169663a
hexfa9cdb

16424155 has 8 divisors (see below), whose sum is σ = 21500784. Its totient is φ = 11944800.

The previous prime is 16424153. The next prime is 16424171. The reversal of 16424155 is 55142461.

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

It is not a de Polignac number, because 16424155 - 21 = 16424153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16424153) 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, 149256 + ... + 149365.

It is an arithmetic number, because the mean of its divisors is an integer number (2687598).

Almost surely, 216424155 is an apocalyptic number.

16424155 is a deficient number, since it is larger than the sum of its proper divisors (5076629).

16424155 is a wasteful number, since it uses less digits than its factorization.

16424155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298637.

The product of its digits is 4800, while the sum is 28.

The square root of 16424155 is about 4052.6725749806. The cubic root of 16424155 is about 254.1914928122.

The spelling of 16424155 in words is "sixteen million, four hundred twenty-four thousand, one hundred fifty-five".

Divisors: 1 5 11 55 298621 1493105 3284831 16424155