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12770434 = 217419161
BaseRepresentation
bin110000101101…
…110010000010
3220000210202001
4300231302002
511232123214
61133414214
7213355405
oct60556202
926023661
1012770434
117232686
12433a36a
132851891
1419a5d3c
1511c3c74
hexc2dc82

12770434 has 16 divisors (see below), whose sum is σ = 20779416. Its totient is φ = 5862400.

The previous prime is 12770431. The next prime is 12770437. The reversal of 12770434 is 43407721.

It is an interprime number because it is at equal distance from previous prime (12770431) and next prime (12770437).

It can be written as a sum of positive squares in 4 ways, for example, as 8555625 + 4214809 = 2925^2 + 2053^2 .

It is not an unprimeable number, because it can be changed into a prime (12770431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187 + ... + 5974.

Almost surely, 212770434 is an apocalyptic number.

12770434 is a deficient number, since it is larger than the sum of its proper divisors (8008982).

12770434 is a wasteful number, since it uses less digits than its factorization.

12770434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 12770434 is about 3573.5744010724. The cubic root of 12770434 is about 233.7411728963.

The spelling of 12770434 in words is "twelve million, seven hundred seventy thousand, four hundred thirty-four".

Divisors: 1 2 17 34 41 82 697 1394 9161 18322 155737 311474 375601 751202 6385217 12770434