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214468531 = 397593911
BaseRepresentation
bin11001100100010…
…00011110110011
3112221120010111221
430302020132303
5414400443111
633140445511
75212644454
oct1462103663
9487503457
10214468531
11100075422
125b9a9897
1335581a74
14206ab12b
1513c66371
hexcc887b3

214468531 has 8 divisors (see below), whose sum is σ = 215607744. Its totient is φ = 213333120.

The previous prime is 214468519. The next prime is 214468547. The reversal of 214468531 is 135864412.

214468531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 214468531 - 29 = 214468019 is a prime.

It is a super-2 number, since 2×2144685312 = 91993501578595922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214468591) 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, 234966 + ... + 235876.

It is an arithmetic number, because the mean of its divisors is an integer number (26950968).

Almost surely, 2214468531 is an apocalyptic number.

214468531 is a deficient number, since it is larger than the sum of its proper divisors (1139213).

214468531 is an equidigital number, since it uses as much as digits as its factorization.

214468531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901.

The product of its digits is 23040, while the sum is 34.

The square root of 214468531 is about 14644.7441425243. The cubic root of 214468531 is about 598.5786085511.

The spelling of 214468531 in words is "two hundred fourteen million, four hundred sixty-eight thousand, five hundred thirty-one".

Divisors: 1 397 593 911 235421 361667 540223 214468531