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2194049407 = 11857232741
BaseRepresentation
bin1000001011000110…
…1000100101111111
312122220111020222011
42002301220211333
513443134040112
61001414032051
7105241053334
oct20261504577
95586436864
102194049407
11a26535880
12512948627
1328c729cb4
1416b56c98b
15cc943aa7
hex82c6897f

2194049407 has 8 divisors (see below), whose sum is σ = 2396311632. Its totient is φ = 1992254400.

The previous prime is 2194049399. The next prime is 2194049411. The reversal of 2194049407 is 7049404912.

2194049407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2194049407 - 23 = 2194049399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2194049407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194049477) 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, 106944 + ... + 125797.

It is an arithmetic number, because the mean of its divisors is an integer number (299538954).

Almost surely, 22194049407 is an apocalyptic number.

2194049407 is a deficient number, since it is larger than the sum of its proper divisors (202262225).

2194049407 is a wasteful number, since it uses less digits than its factorization.

2194049407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233609.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2194049407 is about 46840.6811116149. The cubic root of 2194049407 is about 1299.4177682686.

The spelling of 2194049407 in words is "two billion, one hundred ninety-four million, forty-nine thousand, four hundred seven".

Divisors: 1 11 857 9427 232741 2560151 199459037 2194049407