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16930655 = 57483733
BaseRepresentation
bin100000010010…
…1011101011111
31011212011111022
41000211131133
513313240110
61402514355
7263623340
oct100453537
934764438
1016930655
119614285
1258059bb
13367a351
14236a0c7
151746755
hex102575f

16930655 has 8 divisors (see below), whose sum is σ = 23219232. Its totient is φ = 11609568.

The previous prime is 16930651. The next prime is 16930673. The reversal of 16930655 is 55603961.

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 16930655 - 22 = 16930651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 483733 = 16930655 / (1 + 6 + 9 + 3 + 0 + 6 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16930651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241832 + ... + 241901.

It is an arithmetic number, because the mean of its divisors is an integer number (2902404).

Almost surely, 216930655 is an apocalyptic number.

16930655 is a deficient number, since it is larger than the sum of its proper divisors (6288577).

16930655 is an equidigital number, since it uses as much as digits as its factorization.

16930655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483745.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 16930655 is about 4114.6877159755. The cubic root of 16930655 is about 256.7780639366.

The spelling of 16930655 in words is "sixteen million, nine hundred thirty thousand, six hundred fifty-five".

Divisors: 1 5 7 35 483733 2418665 3386131 16930655