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13724906 = 213527881
BaseRepresentation
bin110100010110…
…110011101010
3221211022000212
4310112303222
512003144111
61210101122
7224442206
oct64266352
927738025
1013724906
1178247a8
12471a7a2
132ac7160
141b73b06
15131198b
hexd16cea

13724906 has 8 divisors (see below), whose sum is σ = 22171044. Its totient is φ = 6334560.

The previous prime is 13724903. The next prime is 13724927. The reversal of 13724906 is 60942731.

It can be written as a sum of positive squares in 2 ways, for example, as 13432225 + 292681 = 3665^2 + 541^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13724903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263915 + ... + 263966.

Almost surely, 213724906 is an apocalyptic number.

13724906 is a deficient number, since it is larger than the sum of its proper divisors (8446138).

13724906 is a wasteful number, since it uses less digits than its factorization.

13724906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527896.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 13724906 is about 3704.7140240510. The cubic root of 13724906 is about 239.4251636309.

The spelling of 13724906 in words is "thirteen million, seven hundred twenty-four thousand, nine hundred six".

Divisors: 1 2 13 26 527881 1055762 6862453 13724906