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2190242347 = 19472452679
BaseRepresentation
bin1000001010001100…
…0111001000101011
312122122022211122221
42002203013020223
513441200223342
61001200254511
7105163516126
oct20243071053
95578284587
102190242347
11a24375547
12511611437
1328b9c61b7
1416ac5b3bd
15cc440a67
hex828c722b

2190242347 has 8 divisors (see below), whose sum is σ = 2354572800. Its totient is φ = 2030817384.

The previous prime is 2190242339. The next prime is 2190242359. The reversal of 2190242347 is 7432420912.

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 2190242347 - 23 = 2190242339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190242377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225447 + ... + 1227232.

It is an arithmetic number, because the mean of its divisors is an integer number (294321600).

Almost surely, 22190242347 is an apocalyptic number.

2190242347 is a deficient number, since it is larger than the sum of its proper divisors (164330453).

2190242347 is a wasteful number, since it uses less digits than its factorization.

2190242347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452745.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2190242347 is about 46800.0250747796. The cubic root of 2190242347 is about 1298.6657606738.

The spelling of 2190242347 in words is "two billion, one hundred ninety million, two hundred forty-two thousand, three hundred forty-seven".

Divisors: 1 19 47 893 2452679 46600901 115275913 2190242347