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3444420213 = 331312777269
BaseRepresentation
bin1100110101001101…
…1010111001110101
322220001021200021000
43031103122321311
524023232421323
61325441513513
7151233042303
oct31523327165
98801250230
103444420213
111508315983
12801642899
1342b7a9590
14249651273
151525cde43
hexcd4dae75

3444420213 has 32 divisors (see below), whose sum is σ = 5538713600. Its totient is φ = 2102925888.

The previous prime is 3444420197. The next prime is 3444420227. The reversal of 3444420213 is 3120244443.

It is a happy number.

3444420213 is a `hidden beast` number, since 3 + 4 + 4 + 442 + 0 + 213 = 666.

It is not a de Polignac number, because 3444420213 - 24 = 3444420197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444420253) 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 31 ways as a sum of consecutive naturals, for example, 5943 + ... + 83211.

It is an arithmetic number, because the mean of its divisors is an integer number (173084800).

Almost surely, 23444420213 is an apocalyptic number.

It is an amenable number.

3444420213 is a deficient number, since it is larger than the sum of its proper divisors (2094293387).

3444420213 is a wasteful number, since it uses less digits than its factorization.

3444420213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77418 (or 77412 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3444420213 is about 58689.1831004658. The cubic root of 3444420213 is about 1510.2147572568.

Adding to 3444420213 its reverse (3120244443), we get a palindrome (6564664656).

The spelling of 3444420213 in words is "three billion, four hundred forty-four million, four hundred twenty thousand, two hundred thirteen".

Divisors: 1 3 9 13 27 39 117 127 351 381 1143 1651 3429 4953 14859 44577 77269 231807 695421 1004497 2086263 3013491 9040473 9813163 27121419 29439489 88318467 127571119 264955401 382713357 1148140071 3444420213