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224390307 = 3312412799
BaseRepresentation
bin11010101111111…
…10110010100011
3120122020012122010
431113332302203
5424420442212
634133244003
75363200101
oct1527766243
9518205563
10224390307
11105731839
1263193603
1337646b3b
1421b30c71
1514a7603c
hexd5feca3

224390307 has 8 divisors (see below), whose sum is σ = 308838400. Its totient is φ = 144767880.

The previous prime is 224390281. The next prime is 224390321. The reversal of 224390307 is 703093422.

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

It is a de Polignac number, because none of the positive numbers 2k-224390307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224390347) 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, 1206307 + ... + 1206492.

It is an arithmetic number, because the mean of its divisors is an integer number (38604800).

Almost surely, 2224390307 is an apocalyptic number.

224390307 is a deficient number, since it is larger than the sum of its proper divisors (84448093).

224390307 is a wasteful number, since it uses less digits than its factorization.

224390307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412833.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 224390307 is about 14979.6631137019. The cubic root of 224390307 is about 607.6703283679.

The spelling of 224390307 in words is "two hundred twenty-four million, three hundred ninety thousand, three hundred seven".

Divisors: 1 3 31 93 2412799 7238397 74796769 224390307