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34238220 = 2235570637
BaseRepresentation
bin1000001010011…
…0111100001100
32101102111000020
42002212330030
532231110340
63221502140
7564006612
oct202467414
971374006
1034238220
1118365755
12b571950
13712a103
1447936b2
1530149d0
hex20a6f0c

34238220 has 24 divisors (see below), whose sum is σ = 95867184. Its totient is φ = 9130176.

The previous prime is 34238213. The next prime is 34238227. The reversal of 34238220 is 2283243.

It is an interprime number because it is at equal distance from previous prime (34238213) and next prime (34238227).

It is not an unprimeable number, because it can be changed into a prime (34238227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285259 + ... + 285378.

It is an arithmetic number, because the mean of its divisors is an integer number (3994466).

Almost surely, 234238220 is an apocalyptic number.

34238220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34238220 is an abundant number, since it is smaller than the sum of its proper divisors (61628964).

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

34238220 is a wasteful number, since it uses less digits than its factorization.

34238220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570649 (or 570647 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 34238220 is about 5851.3434354856. The cubic root of 34238220 is about 324.7160280832.

The spelling of 34238220 in words is "thirty-four million, two hundred thirty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 570637 1141274 1711911 2282548 2853185 3423822 5706370 6847644 8559555 11412740 17119110 34238220