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214676816 = 24171495297
BaseRepresentation
bin11001100101110…
…11010101010000
3112221221201020012
430302323111100
5414424124231
633145134052
75214502634
oct1462732520
9487851205
10214676816
111001a7962
125ba8a328
1335625803
1420722dc4
1513ca7e2b
hexccbb550

214676816 has 40 divisors (see below), whose sum is σ = 443442600. Its totient is φ = 100327424.

The previous prime is 214676797. The next prime is 214676831. The reversal of 214676816 is 618676412.

214676816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 48163600 + 166513216 = 6940^2 + 12904^2 .

It is a super-2 number, since 2×2146768162 = 92172270655795712, which contains 22 as substring.

It is a nialpdrome in base 16.

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, 37880 + ... + 43176.

It is an arithmetic number, because the mean of its divisors is an integer number (11086065).

Almost surely, 2214676816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214676816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221721300).

214676816 is an abundant number, since it is smaller than the sum of its proper divisors (228765784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214676816 is a wasteful number, since it uses less digits than its factorization.

214676816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5465 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 214676816 is about 14651.8536711230. The cubic root of 214676816 is about 598.7723193433.

The spelling of 214676816 in words is "two hundred fourteen million, six hundred seventy-six thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 17 34 68 136 149 272 298 596 1192 2384 2533 5066 5297 10132 10594 20264 21188 40528 42376 84752 90049 180098 360196 720392 789253 1440784 1578506 3157012 6314024 12628048 13417301 26834602 53669204 107338408 214676816