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2230897407 = 31989439759
BaseRepresentation
bin1000010011111000…
…1100101011111111
312202110211022220220
42010332030223333
514032102204112
61005211512423
7106166213034
oct20476145377
95673738826
102230897407
11a45313272
12523158713
1329725bc4b
1417240138b
15d0cc198c
hex84f8caff

2230897407 has 16 divisors (see below), whose sum is σ = 3166272000. Its totient is φ = 1393153344.

The previous prime is 2230897399. The next prime is 2230897421. The reversal of 2230897407 is 7047980322.

It is not a de Polignac number, because 2230897407 - 23 = 2230897399 is a prime.

It is a super-3 number, since 3×22308974073 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230897507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214807 + ... + 224952.

It is an arithmetic number, because the mean of its divisors is an integer number (197892000).

Almost surely, 22230897407 is an apocalyptic number.

2230897407 is a deficient number, since it is larger than the sum of its proper divisors (935374593).

2230897407 is a wasteful number, since it uses less digits than its factorization.

2230897407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439870.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 2230897407 is about 47232.3766816789. The cubic root of 2230897407 is about 1306.6517854653.

The spelling of 2230897407 in words is "two billion, two hundred thirty million, eight hundred ninety-seven thousand, four hundred seven".

Divisors: 1 3 19 57 89 267 1691 5073 439759 1319277 8355421 25066263 39138551 117415653 743632469 2230897407