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11531682 = 232640649
BaseRepresentation
bin101011111111…
…010110100010
3210200212111100
4223333112202
510423003212
61051055230
7200006031
oct53772642
923625440
1011531682
116566a18
123a41516
132509aa6
141762718
15102bbdc
hexaff5a2

11531682 has 12 divisors (see below), whose sum is σ = 24985350. Its totient is φ = 3843888.

The previous prime is 11531669. The next prime is 11531683. The reversal of 11531682 is 28613511.

It can be written as a sum of positive squares in only one way, i.e., 9308601 + 2223081 = 3051^2 + 1491^2 .

It is not an unprimeable number, because it can be changed into a prime (11531683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320307 + ... + 320342.

Almost surely, 211531682 is an apocalyptic number.

11531682 is an abundant number, since it is smaller than the sum of its proper divisors (13453668).

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

11531682 is a wasteful number, since it uses less digits than its factorization.

11531682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640657 (or 640654 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11531682 is about 3395.8330347648. The cubic root of 11531682 is about 225.9249626888.

The spelling of 11531682 in words is "eleven million, five hundred thirty-one thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 640649 1281298 1921947 3843894 5765841 11531682