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216827104 = 25133714087
BaseRepresentation
bin11001110110010…
…00010011100000
3120002222221212111
430323020103200
5421001431404
633303205104
75241666664
oct1473102340
9502887774
10216827104
1110143645a
1260746794
1335bc9480
1420b228a4
1514080104
hexcec84e0

216827104 has 48 divisors (see below), whose sum is σ = 472173408. Its totient is φ = 97362432.

The previous prime is 216827101. The next prime is 216827131. The reversal of 216827104 is 401728612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216827101) 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, 8349 + ... + 22435.

It is an arithmetic number, because the mean of its divisors is an integer number (9836946).

Almost surely, 2216827104 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 216827104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236086704).

216827104 is an abundant number, since it is smaller than the sum of its proper divisors (255346304).

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

216827104 is a wasteful number, since it uses less digits than its factorization.

216827104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14147 (or 14139 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 216827104 is about 14725.0502206274. The cubic root of 216827104 is about 600.7648616006.

The spelling of 216827104 in words is "two hundred sixteen million, eight hundred twenty-seven thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 32 37 52 74 104 148 208 296 416 481 592 962 1184 1924 3848 7696 14087 15392 28174 56348 112696 183131 225392 366262 450784 521219 732524 1042438 1465048 2084876 2930096 4169752 5860192 6775847 8339504 13551694 16679008 27103388 54206776 108413552 216827104