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34470421 = 374991867
BaseRepresentation
bin1000001101111…
…1101000010101
32101212021112021
42003133220111
532311023141
63230453141
7565664566
oct203375025
971767467
1034470421
1118504157
12b6641b1
1371ab9cb
14481416d
15305d6d1
hex20dfa15

34470421 has 8 divisors (see below), whose sum is σ = 35492000. Its totient is φ = 33453648.

The previous prime is 34470413. The next prime is 34470451. The reversal of 34470421 is 12407443.

34470421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34470421 - 23 = 34470413 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 (34470451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17530 + ... + 19396.

It is an arithmetic number, because the mean of its divisors is an integer number (4436500).

Almost surely, 234470421 is an apocalyptic number.

It is an amenable number.

34470421 is a deficient number, since it is larger than the sum of its proper divisors (1021579).

34470421 is a wasteful number, since it uses less digits than its factorization.

34470421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 34470421 is about 5871.1515906166. The cubic root of 34470421 is about 325.4484413024.

Adding to 34470421 its reverse (12407443), we get a palindrome (46877864).

The spelling of 34470421 in words is "thirty-four million, four hundred seventy thousand, four hundred twenty-one".

Divisors: 1 37 499 1867 18463 69079 931633 34470421