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16630055 = 513255847
BaseRepresentation
bin111111011100…
…000100100111
31011021220010222
4333130010213
513224130210
61352234555
7261232061
oct77340447
934256128
1016630055
119429452
12569ba5b
1335a3590
1422cc731
1516d7655
hexfdc127

16630055 has 8 divisors (see below), whose sum is σ = 21491232. Its totient is φ = 12280608.

The previous prime is 16630049. The next prime is 16630067. The reversal of 16630055 is 55003661.

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 16630055 - 210 = 16629031 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, 127859 + ... + 127988.

It is an arithmetic number, because the mean of its divisors is an integer number (2686404).

Almost surely, 216630055 is an apocalyptic number.

16630055 is a deficient number, since it is larger than the sum of its proper divisors (4861177).

16630055 is a wasteful number, since it uses less digits than its factorization.

16630055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255865.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 16630055 is about 4077.9964443339. The cubic root of 16630055 is about 255.2493012375.

The spelling of 16630055 in words is "sixteen million, six hundred thirty thousand, fifty-five".

Divisors: 1 5 13 65 255847 1279235 3326011 16630055