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3442340421 = 32131713912451
BaseRepresentation
bin1100110100101101…
…1111001001000101
322212220101000022200
43031023133021011
524022214343141
61325325145113
7151206260622
oct31513371105
98786330280
103442340421
111507125343
128009bb199
1342b22ba30
1424926d349
1515231cab6
hexcd2df245

3442340421 has 48 divisors (see below), whose sum is σ = 5710985280. Its totient is φ = 1979251200.

The previous prime is 3442340417. The next prime is 3442340431. The reversal of 3442340421 is 1240432443.

It is a happy number.

3442340421 is a `hidden beast` number, since 3 + 4 + 4 + 234 + 0 + 421 = 666.

It is not a de Polignac number, because 3442340421 - 22 = 3442340417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442340411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270246 + ... + 282696.

It is an arithmetic number, because the mean of its divisors is an integer number (118978860).

Almost surely, 23442340421 is an apocalyptic number.

It is an amenable number.

3442340421 is a deficient number, since it is larger than the sum of its proper divisors (2268644859).

3442340421 is a wasteful number, since it uses less digits than its factorization.

3442340421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626 (or 12623 counting only the distinct ones).

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

The square root of 3442340421 is about 58671.4617254420. The cubic root of 3442340421 is about 1509.9107327022.

Adding to 3442340421 its reverse (1240432443), we get a palindrome (4682772864).

The spelling of 3442340421 in words is "three billion, four hundred forty-two million, three hundred forty thousand, four hundred twenty-one".

Divisors: 1 3 9 13 17 39 51 117 139 153 221 417 663 1251 1807 1989 2363 5421 7089 12451 16263 21267 30719 37353 92157 112059 161863 211667 276471 485589 635001 1456767 1730689 1905003 2751671 5192067 8255013 15576201 22498957 24765039 29421713 67496871 88265139 202490613 264795417 382482269 1147446807 3442340421