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2226946189 = 13171303553
BaseRepresentation
bin1000010010111100…
…1000000010001101
312202012101120212111
42010233020002031
514030044234224
61004551104021
7106120505326
oct20457100215
95665346774
102226946189
11a430646a6
12521972011
132964a7650
14171a9344d
15d0790d94
hex84bc808d

2226946189 has 4 divisors (see below), whose sum is σ = 2398249756. Its totient is φ = 2055642624.

The previous prime is 2226946177. The next prime is 2226946193. The reversal of 2226946189 is 9816496222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92968164 + 2133978025 = 9642^2 + 46195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226946189 - 25 = 2226946157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226946199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85651764 + ... + 85651789.

It is an arithmetic number, because the mean of its divisors is an integer number (599562439).

Almost surely, 22226946189 is an apocalyptic number.

It is an amenable number.

2226946189 is a deficient number, since it is larger than the sum of its proper divisors (171303567).

2226946189 is a wasteful number, since it uses less digits than its factorization.

2226946189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171303566.

The product of its digits is 746496, while the sum is 49.

The square root of 2226946189 is about 47190.5307132692. The cubic root of 2226946189 is about 1305.8799111688.

The spelling of 2226946189 in words is "two billion, two hundred twenty-six million, nine hundred forty-six thousand, one hundred eighty-nine".

Divisors: 1 13 171303553 2226946189