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214815117 = 3118973141
BaseRepresentation
bin11001100110111…
…01000110001101
3112222012201221110
430303131012031
5414443040432
633152122233
75215620066
oct1463350615
9488181843
10214815117
11100291860
125bb36379
133567374a
142075b56d
1513cd3dcc
hexccdd18d

214815117 has 16 divisors (see below), whose sum is σ = 315973440. Its totient is φ = 128726400.

The previous prime is 214815103. The next prime is 214815131. The reversal of 214815117 is 711518412.

It is an interprime number because it is at equal distance from previous prime (214815103) and next prime (214815131).

It is not a de Polignac number, because 214815117 - 214 = 214798733 is a prime.

It is a super-2 number, since 2×2148151172 = 92291068983447378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214815157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33634 + ... + 39507.

It is an arithmetic number, because the mean of its divisors is an integer number (19748340).

Almost surely, 2214815117 is an apocalyptic number.

It is an amenable number.

214815117 is a deficient number, since it is larger than the sum of its proper divisors (101158323).

214815117 is a wasteful number, since it uses less digits than its factorization.

214815117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73244.

The product of its digits is 2240, while the sum is 30.

The square root of 214815117 is about 14656.5724847251. The cubic root of 214815117 is about 598.9008738769.

The spelling of 214815117 in words is "two hundred fourteen million, eight hundred fifteen thousand, one hundred seventeen".

Divisors: 1 3 11 33 89 267 979 2937 73141 219423 804551 2413653 6509549 19528647 71605039 214815117