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216914203 = 11171961051
BaseRepresentation
bin11001110110111…
…01100100011011
3120010011101100101
430323131210123
5421012223303
633305120231
75242511632
oct1473354433
9503141311
10216914203
11101495940
1260789077
1335c29ccc
1420b46519
151409ad1d
hexcedd91b

216914203 has 16 divisors (see below), whose sum is σ = 263744640. Its totient is φ = 175824000.

The previous prime is 216914197. The next prime is 216914233. The reversal of 216914203 is 302419612.

It is not a de Polignac number, because 216914203 - 29 = 216913691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216914233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26973 + ... + 34078.

It is an arithmetic number, because the mean of its divisors is an integer number (16484040).

Almost surely, 2216914203 is an apocalyptic number.

216914203 is a deficient number, since it is larger than the sum of its proper divisors (46830437).

216914203 is a wasteful number, since it uses less digits than its factorization.

216914203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61098.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 216914203 is about 14728.0074348162. The cubic root of 216914203 is about 600.8452928334.

It can be divided in two parts, 216 and 914203, that added together give a palindrome (914419).

The spelling of 216914203 in words is "two hundred sixteen million, nine hundred fourteen thousand, two hundred three".

Divisors: 1 11 17 19 187 209 323 3553 61051 671561 1037867 1159969 11416537 12759659 19719473 216914203