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34268420 = 2254339847
BaseRepresentation
bin1000001010111…
…0010100000100
32101111000102202
42002232110010
532233042140
63222254032
7564163634
oct202562404
971430382
1034268420
111838640a
12b587318
13713aa94
1447a06c4
15301d915
hex20ae504

34268420 has 24 divisors (see below), whose sum is σ = 73639104. Its totient is φ = 13388256.

The previous prime is 34268411. The next prime is 34268441. The reversal of 34268420 is 2486243.

34268420 = T381 + T382 + ... + T638.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19064 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (3068296).

Almost surely, 234268420 is an apocalyptic number.

It is an amenable number.

34268420 is an abundant number, since it is smaller than the sum of its proper divisors (39370684).

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

34268420 is a wasteful number, since it uses less digits than its factorization.

34268420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39899 (or 39897 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 34268420 is about 5853.9234706306. The cubic root of 34268420 is about 324.8114725133.

The spelling of 34268420 in words is "thirty-four million, two hundred sixty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 39847 79694 159388 199235 398470 796940 1713421 3426842 6853684 8567105 17134210 34268420