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34081621 = 731715359
BaseRepresentation
bin1000001000000…
…0101101010101
32101010112012021
42002000231111
532211102441
63214253141
7562455220
oct202005525
971115167
1034081621
1118269032
12b4b71b1
1370a3a52
1447525b7
152ed33d1
hex2080b55

34081621 has 8 divisors (see below), whose sum is σ = 39075840. Its totient is φ = 29118768.

The previous prime is 34081613. The next prime is 34081637. The reversal of 34081621 is 12618043.

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

It is not a de Polignac number, because 34081621 - 23 = 34081613 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 (34081601) 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, 5461 + ... + 9898.

It is an arithmetic number, because the mean of its divisors is an integer number (4884480).

Almost surely, 234081621 is an apocalyptic number.

It is an amenable number.

34081621 is a deficient number, since it is larger than the sum of its proper divisors (4994219).

34081621 is a wasteful number, since it uses less digits than its factorization.

34081621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15683.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 34081621 is about 5837.9466424420. The cubic root of 34081621 is about 324.2202086041.

Adding to 34081621 its reverse (12618043), we get a palindrome (46699664).

The spelling of 34081621 in words is "thirty-four million, eighty-one thousand, six hundred twenty-one".

Divisors: 1 7 317 2219 15359 107513 4868803 34081621