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140432227 = 1323469673
BaseRepresentation
bin10000101111011…
…01001101100011
3100210020200210121
420113231031203
5241422312402
621533541111
73323440255
oct1027551543
9323220717
10140432227
11722a78a1
123b044797
132312bcc0
1414917cd5
15c4de837
hex85ed363

140432227 has 8 divisors (see below), whose sum is σ = 157810464. Its totient is φ = 123993408.

The previous prime is 140432209. The next prime is 140432251. The reversal of 140432227 is 722234041.

It is a happy number.

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 140432227 - 223 = 132043619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140432267) 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, 234538 + ... + 235135.

It is an arithmetic number, because the mean of its divisors is an integer number (19726308).

Almost surely, 2140432227 is an apocalyptic number.

140432227 is a deficient number, since it is larger than the sum of its proper divisors (17378237).

140432227 is a wasteful number, since it uses less digits than its factorization.

140432227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469709.

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

The square root of 140432227 is about 11850.4104148337. The cubic root of 140432227 is about 519.7832269538.

Adding to 140432227 its reverse (722234041), we get a palindrome (862666268).

The spelling of 140432227 in words is "one hundred forty million, four hundred thirty-two thousand, two hundred twenty-seven".

Divisors: 1 13 23 299 469673 6105749 10802479 140432227