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214044307 = 1697126131
BaseRepresentation
bin11001100001000…
…00111010010011
3112220202120120221
430300200322103
5414243404212
633123413511
75206226611
oct1460407223
9486676527
10214044307
11aa905724
125b824297
1335463949
14205da6b1
1513bd0807
hexcc20e93

214044307 has 4 divisors (see below), whose sum is σ = 214172136. Its totient is φ = 213916480.

The previous prime is 214044289. The next prime is 214044317. The reversal of 214044307 is 703440412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214044307 - 27 = 214044179 is a prime.

It is a super-2 number, since 2×2140443072 = 91629930718220498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214044317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61369 + ... + 64762.

It is an arithmetic number, because the mean of its divisors is an integer number (53543034).

Almost surely, 2214044307 is an apocalyptic number.

214044307 is a deficient number, since it is larger than the sum of its proper divisors (127829).

214044307 is a wasteful number, since it uses less digits than its factorization.

214044307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127828.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 214044307 is about 14630.2531420341. The cubic root of 214044307 is about 598.1836803345.

Adding to 214044307 its reverse (703440412), we get a palindrome (917484719).

The spelling of 214044307 in words is "two hundred fourteen million, forty-four thousand, three hundred seven".

Divisors: 1 1697 126131 214044307