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34257812 = 2237322961
BaseRepresentation
bin1000001010101…
…1101110010100
32101110110212212
42002223232110
532232222222
63222132552
7564121001
oct202535624
971413785
1034257812
1118379446
12b581158
137135cc4
14479a8a8
15301a6e2
hex20abb94

34257812 has 12 divisors (see below), whose sum is σ = 60114516. Its totient is φ = 17082240.

The previous prime is 34257803. The next prime is 34257829. The reversal of 34257812 is 21875243.

It can be written as a sum of positive squares in 2 ways, for example, as 21196816 + 13060996 = 4604^2 + 3614^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9989 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (5009543).

Almost surely, 234257812 is an apocalyptic number.

It is an amenable number.

34257812 is a deficient number, since it is larger than the sum of its proper divisors (25856704).

34257812 is a wasteful number, since it uses less digits than its factorization.

34257812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23338 (or 23336 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 34257812 is about 5853.0173415086. The cubic root of 34257812 is about 324.7779532586. Note that the first 3 decimals are identical.

The spelling of 34257812 in words is "thirty-four million, two hundred fifty-seven thousand, eight hundred twelve".

Divisors: 1 2 4 373 746 1492 22961 45922 91844 8564453 17128906 34257812