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34320870 = 2325381343
BaseRepresentation
bin1000001011101…
…1000111100110
32101120200101100
42002323013212
532241231440
63223340530
7564502563
oct202730746
971520340
1034320870
1118411861
12b5b1746
13715890c
1447b586a
15302e230
hex20bb1e6

34320870 has 24 divisors (see below), whose sum is σ = 89234496. Its totient is φ = 9152208.

The previous prime is 34320863. The next prime is 34320887. The reversal of 34320870 is 7802343.

34320870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 190582 + ... + 190761.

It is an arithmetic number, because the mean of its divisors is an integer number (3718104).

Almost surely, 234320870 is an apocalyptic number.

34320870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34320870 is an abundant number, since it is smaller than the sum of its proper divisors (54913626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34320870 is a wasteful number, since it uses less digits than its factorization.

34320870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381356 (or 381353 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 34320870 is about 5858.4016591558. The cubic root of 34320870 is about 324.9771029234.

The spelling of 34320870 in words is "thirty-four million, three hundred twenty thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 381343 762686 1144029 1906715 2288058 3432087 3813430 5720145 6864174 11440290 17160435 34320870