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3444423213 = 371123271397
BaseRepresentation
bin1100110101001101…
…1011101000101101
322220001021211101010
43031103123220231
524023233020323
61325441535433
7151233054120
oct31523335055
98801254333
103444423213
111508318160
12801644579
1342b7aaa5a
142496523b7
151525cec93
hexcd4dba2d

3444423213 has 96 divisors (see below), whose sum is σ = 6085158912. Its totient is φ = 1683158400.

The previous prime is 3444423209. The next prime is 3444423223. The reversal of 3444423213 is 3123244443.

It is a happy number.

It is not a de Polignac number, because 3444423213 - 22 = 3444423209 is a prime.

Its product of digits (27648) is a multiple of the sum of its prime divisors (512).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444423223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8675931 + ... + 8676327.

It is an arithmetic number, because the mean of its divisors is an integer number (63387072).

Almost surely, 23444423213 is an apocalyptic number.

3444423213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3444423213 is a deficient number, since it is larger than the sum of its proper divisors (2640735699).

3444423213 is a wasteful number, since it uses less digits than its factorization.

3444423213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 512 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

The square root of 3444423213 is about 58689.2086588327. The cubic root of 3444423213 is about 1510.2151957092.

Adding to 3444423213 its reverse (3123244443), we get a palindrome (6567667656).

The spelling of 3444423213 in words is "three billion, four hundred forty-four million, four hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 3 7 11 21 23 33 69 71 77 161 213 231 253 397 483 497 529 759 781 1191 1491 1587 1633 1771 2343 2779 3703 4367 4899 5313 5467 5819 8337 9131 11109 11431 13101 16401 17457 17963 27393 28187 30569 34293 37559 40733 53889 63917 84561 91707 100441 112677 122199 125741 191751 197309 210013 262913 301323 310057 377223 413149 591927 630039 648301 703087 788739 930171 1239447 1470091 1944903 2109261 2170399 2310143 2892043 4410273 4538107 6511197 6930429 7131311 8676129 13614321 14910923 16171001 21393933 44732769 48513003 49919177 104376461 149757531 164020153 313129383 492060459 1148141071 3444423213