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34470909 = 3211348191
BaseRepresentation
bin1000001101111…
…1101111111101
32101212022012100
42003133233331
532311032114
63230455313
7565666164
oct203375775
971768170
1034470909
1118504560
12b664539
1371abcb5
1448143db
15305d909
hex20dfbfd

34470909 has 12 divisors (see below), whose sum is σ = 54317952. Its totient is φ = 20891400.

The previous prime is 34470893. The next prime is 34470911. The reversal of 34470909 is 90907443.

It is not a de Polignac number, because 34470909 - 24 = 34470893 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 (34470409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173997 + ... + 174194.

It is an arithmetic number, because the mean of its divisors is an integer number (4526496).

Almost surely, 234470909 is an apocalyptic number.

It is an amenable number.

34470909 is a deficient number, since it is larger than the sum of its proper divisors (19847043).

34470909 is a wasteful number, since it uses less digits than its factorization.

34470909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348208 (or 348205 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 34470909 is about 5871.1931496077. The cubic root of 34470909 is about 325.4499770935.

It can be divided in two parts, 344 and 70909, that added together give a triangular number (71253 = T377).

The spelling of 34470909 in words is "thirty-four million, four hundred seventy thousand, nine hundred nine".

Divisors: 1 3 9 11 33 99 348191 1044573 3133719 3830101 11490303 34470909