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3402144421 = 13808932353
BaseRepresentation
bin1100101011001000…
…1001101010100101
322210002201211202221
43022302021222211
523431422110141
61321331432341
7150210515254
oct31262115245
98702654687
103402144421
111496470505
127ab4556b1
13422ac6c10
14243ba879b
1514da2cbd1
hexcac89aa5

3402144421 has 8 divisors (see below), whose sum is σ = 3664414040. Its totient is φ = 3139955712.

The previous prime is 3402144409. The next prime is 3402144443. The reversal of 3402144421 is 1244412043.

It can be written as a sum of positive squares in 4 ways, for example, as 18395521 + 3383748900 = 4289^2 + 58170^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3402144421 - 219 = 3401620133 is a prime.

It is a super-2 number, since 2×34021444212 = 23149173322682850482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402144121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88981 + ... + 121333.

It is an arithmetic number, because the mean of its divisors is an integer number (458051755).

Almost surely, 23402144421 is an apocalyptic number.

It is an amenable number.

3402144421 is a deficient number, since it is larger than the sum of its proper divisors (262269619).

3402144421 is a wasteful number, since it uses less digits than its factorization.

3402144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40455.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 3402144421 is about 58327.9043083154. The cubic root of 3402144421 is about 1504.0106625369.

Adding to 3402144421 its reverse (1244412043), we get a palindrome (4646556464).

The spelling of 3402144421 in words is "three billion, four hundred two million, one hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 13 8089 32353 105157 420589 261703417 3402144421