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3449889443 = 72113132313
BaseRepresentation
bin1100110110100001…
…0010001010100011
322220102120112122002
43031220102022203
524031132430233
61330155034215
7151330401500
oct31550221243
98812515562
103449889443
111510411000
1280343b96b
1342c972b00
1424a2764a7
15152d0e6e8
hexcda122a3

3449889443 has 72 divisors (see below), whose sum is σ = 4795088976. Its totient is φ = 2473511040.

The previous prime is 3449889433. The next prime is 3449889463.

3449889443 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3449889443 - 26 = 3449889379 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 (3449889433) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11021855 + ... + 11022167.

It is an arithmetic number, because the mean of its divisors is an integer number (66598458).

Almost surely, 23449889443 is an apocalyptic number.

3449889443 is a deficient number, since it is larger than the sum of its proper divisors (1345199533).

3449889443 is a wasteful number, since it uses less digits than its factorization.

3449889443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 344 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 56.

The square root of 3449889443 is about 58735.7594911311. The cubic root of 3449889443 is about 1511.0136671327.

The spelling of 3449889443 in words is "three billion, four hundred forty-nine million, eight hundred eighty-nine thousand, four hundred forty-three".

Divisors: 1 7 11 13 49 77 91 121 143 169 313 539 637 847 1001 1183 1331 1573 1859 2191 3443 4069 5929 7007 8281 9317 11011 13013 15337 17303 20449 24101 28483 37873 44759 52897 65219 77077 91091 121121 143143 168707 199381 224939 265111 313313 370279 416603 492349 581867 847847 1002001 1574573 1855777 2193191 2591953 2916221 3446443 4073069 5415839 6400537 11022011 20413547 24125101 28511483 37910873 44803759 70405907 265376111 313626313 492841349 3449889443