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12849770 = 251284977
BaseRepresentation
bin110001000001…
…001001101010
3220011211120102
4301001021222
511242143040
61135225402
7214135613
oct61011152
926154512
1012849770
11728724a
124378262
13287ba1b
1419c6c0a
1511dc515
hexc4126a

12849770 has 8 divisors (see below), whose sum is σ = 23129604. Its totient is φ = 5139904.

The previous prime is 12849763. The next prime is 12849791. The reversal of 12849770 is 7794821.

It can be written as a sum of positive squares in 2 ways, for example, as 12837889 + 11881 = 3583^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 642479 + ... + 642498.

Almost surely, 212849770 is an apocalyptic number.

12849770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12849770 is a deficient number, since it is larger than the sum of its proper divisors (10279834).

12849770 is a wasteful number, since it uses less digits than its factorization.

12849770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284984.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12849770 is about 3584.6575847632. The cubic root of 12849770 is about 234.2242110379.

The spelling of 12849770 in words is "twelve million, eight hundred forty-nine thousand, seven hundred seventy".

Divisors: 1 2 5 10 1284977 2569954 6424885 12849770