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3438621423 = 33612087809
BaseRepresentation
bin1100110011110101…
…0011001011101111
322212122101001211000
43030331103023233
524020241341143
61325113331343
7151132541226
oct31475231357
98778331730
103438621423
111505015196
127bb706b53
1342a529043
14248981cbd
15151d35bd3
hexccf532ef

3438621423 has 16 divisors (see below), whose sum is σ = 5177768800. Its totient is φ = 2254832640.

The previous prime is 3438621413. The next prime is 3438621451. The reversal of 3438621423 is 3241268343.

3438621423 is a `hidden beast` number, since 3 + 4 + 3 + 8 + 621 + 4 + 23 = 666.

It is not a de Polignac number, because 3438621423 - 212 = 3438617327 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 (3438621413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042258 + ... + 1045551.

It is an arithmetic number, because the mean of its divisors is an integer number (323610550).

Almost surely, 23438621423 is an apocalyptic number.

3438621423 is a deficient number, since it is larger than the sum of its proper divisors (1739147377).

3438621423 is a wasteful number, since it uses less digits than its factorization.

3438621423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087879 (or 2087873 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 3438621423 is about 58639.7597454151. The cubic root of 3438621423 is about 1509.3667831658.

Adding to 3438621423 its reverse (3241268343), we get a palindrome (6679889766).

The spelling of 3438621423 in words is "three billion, four hundred thirty-eight million, six hundred twenty-one thousand, four hundred twenty-three".

Divisors: 1 3 9 27 61 183 549 1647 2087809 6263427 18790281 56370843 127356349 382069047 1146207141 3438621423