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214756289 = 1136753197
BaseRepresentation
bin11001100110011…
…10101111000001
3112222002202020122
430303032233001
5414434200124
633150550025
75215253426
oct1463165701
9488082218
10214756289
11100251640
125bb08315
1335652a37
1420743d4d
1513cc175e
hexcccebc1

214756289 has 8 divisors (see below), whose sum is σ = 234922368. Its totient is φ = 194697360.

The previous prime is 214756279. The next prime is 214756337. The reversal of 214756289 is 982657412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214756289 - 28 = 214756033 is a prime.

It is a super-2 number, since 2×2147562892 = 92240527330103042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214756219) 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, 22562 + ... + 30635.

It is an arithmetic number, because the mean of its divisors is an integer number (29365296).

Almost surely, 2214756289 is an apocalyptic number.

It is an amenable number.

214756289 is a deficient number, since it is larger than the sum of its proper divisors (20166079).

214756289 is a wasteful number, since it uses less digits than its factorization.

214756289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53575.

The product of its digits is 241920, while the sum is 44.

The square root of 214756289 is about 14654.5654660928. The cubic root of 214756289 is about 598.8461983994.

The spelling of 214756289 in words is "two hundred fourteen million, seven hundred fifty-six thousand, two hundred eighty-nine".

Divisors: 1 11 367 4037 53197 585167 19523299 214756289