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13746730 = 251374673
BaseRepresentation
bin110100011100…
…001000101010
3221212101222011
4310130020222
512004343410
61210350134
7224562634
oct64341052
927771864
1013746730
11783a138
12472b34a
132b0407a
141b7ba54
15131818a
hexd1c22a

13746730 has 8 divisors (see below), whose sum is σ = 24744132. Its totient is φ = 5498688.

The previous prime is 13746653. The next prime is 13746731. The reversal of 13746730 is 3764731.

It can be written as a sum of positive squares in 2 ways, for example, as 12595401 + 1151329 = 3549^2 + 1073^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13746692 and 13746701.

It is not an unprimeable number, because it can be changed into a prime (13746731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687327 + ... + 687346.

Almost surely, 213746730 is an apocalyptic number.

13746730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13746730 is a deficient number, since it is larger than the sum of its proper divisors (10997402).

13746730 is a wasteful number, since it uses less digits than its factorization.

13746730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374680.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 13746730 is about 3707.6582906196. The cubic root of 13746730 is about 239.5519999015.

The spelling of 13746730 in words is "thirteen million, seven hundred forty-six thousand, seven hundred thirty".

Divisors: 1 2 5 10 1374673 2749346 6873365 13746730