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13106256 = 243273047
BaseRepresentation
bin110001111111…
…110001010000
3220122212101220
4301333301100
511323400011
61144525040
7216254442
oct61776120
926585356
1013106256
117441a19
124480780
13293b6a7
141a52492
15123d506
hexc7fc50

13106256 has 20 divisors (see below), whose sum is σ = 33857952. Its totient is φ = 4368736.

The previous prime is 13106243. The next prime is 13106287. The reversal of 13106256 is 65260131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 136476 + ... + 136571.

Almost surely, 213106256 is an apocalyptic number.

13106256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13106256 is an abundant number, since it is smaller than the sum of its proper divisors (20751696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13106256 is a wasteful number, since it uses less digits than its factorization.

13106256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273058 (or 273052 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13106256 is about 3620.2563445148. The cubic root of 13106256 is about 235.7723554162.

Adding to 13106256 its reverse (65260131), we get a palindrome (78366387).

The spelling of 13106256 in words is "thirteen million, one hundred six thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 273047 546094 819141 1092188 1638282 2184376 3276564 4368752 6553128 13106256