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13491896 = 23111391103
BaseRepresentation
bin110011011101…
…111010111000
3221101110101212
4303131322320
511423220041
61201102252
7222451655
oct63357270
927343355
1013491896
117685730
124627988
132a45092
141b12c2c
1512b78eb
hexcddeb8

13491896 has 32 divisors (see below), whose sum is σ = 27820800. Its totient is φ = 6083040.

The previous prime is 13491893. The next prime is 13491937. The reversal of 13491896 is 69819431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13491893) 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, 11681 + ... + 12783.

It is an arithmetic number, because the mean of its divisors is an integer number (869400).

Almost surely, 213491896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13491896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13910400).

13491896 is an abundant number, since it is smaller than the sum of its proper divisors (14328904).

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

13491896 is a wasteful number, since it uses less digits than its factorization.

13491896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1255 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 13491896 is about 3673.1316339059. The cubic root of 13491896 is about 238.0625027096.

The spelling of 13491896 in words is "thirteen million, four hundred ninety-one thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 11 22 44 88 139 278 556 1103 1112 1529 2206 3058 4412 6116 8824 12133 12232 24266 48532 97064 153317 306634 613268 1226536 1686487 3372974 6745948 13491896