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214761109 = 7315119483
BaseRepresentation
bin11001100110011…
…11111010010101
3112222002222212011
430303033322111
5414434323414
633151024221
75215303453
oct1463177225
9488088764
10214761109
11100255222
125bb0b071
1335654ca4
14207459d3
1513cc2dc4
hexcccfe95

214761109 has 8 divisors (see below), whose sum is σ = 219156032. Its totient is φ = 210405600.

The previous prime is 214761103. The next prime is 214761137. The reversal of 214761109 is 901167412.

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 214761109 - 23 = 214761101 is a prime.

It is a super-2 number, since 2×2147611092 = 92244667877819762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214761101) 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 7 ways as a sum of consecutive naturals, for example, 1282 + ... + 20764.

It is an arithmetic number, because the mean of its divisors is an integer number (27394504).

Almost surely, 2214761109 is an apocalyptic number.

It is an amenable number.

214761109 is a deficient number, since it is larger than the sum of its proper divisors (4394923).

214761109 is a wasteful number, since it uses less digits than its factorization.

214761109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19707.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 214761109 is about 14654.7299190398. The cubic root of 214761109 is about 598.8506785431.

The spelling of 214761109 in words is "two hundred fourteen million, seven hundred sixty-one thousand, one hundred nine".

Divisors: 1 73 151 11023 19483 1422259 2941933 214761109