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11812002 = 232936719
BaseRepresentation
bin101101000011…
…110010100010
3211020010000120
4231003302202
511010441002
61101101110
7202254216
oct55036242
924203016
1011812002
116738594
123b57796
1325a7567
1417d6946
151084cbc
hexb43ca2

11812002 has 16 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 3923312.

The previous prime is 11811983. The next prime is 11812007. The reversal of 11812002 is 20021811.

It is not an unprimeable number, because it can be changed into a prime (11812007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (1481760).

Almost surely, 211812002 is an apocalyptic number.

11812002 is an abundant number, since it is smaller than the sum of its proper divisors (11896158).

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

11812002 is a wasteful number, since it uses less digits than its factorization.

11812002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 11812002 is about 3436.8593221137. The cubic root of 11812002 is about 227.7409723773.

Adding to 11812002 its reverse (20021811), we get a palindrome (31833813).

The spelling of 11812002 in words is "eleven million, eight hundred twelve thousand, two".

Divisors: 1 2 3 6 293 586 879 1758 6719 13438 20157 40314 1968667 3937334 5906001 11812002