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1131006 = 23251751
BaseRepresentation
bin100010100000111111110
32010110110010
410110013332
5242143011
640124050
712420252
oct4240776
92113403
101131006
11702818
12466626
13307a46
14216262
151751a6
hex1141fe

1131006 has 16 divisors (see below), whose sum is σ = 2274048. Its totient is φ = 375000.

The previous prime is 1130981. The next prime is 1131023. The reversal of 1131006 is 6001311.

It is a junction number, because it is equal to n+sod(n) for n = 1130982 and 1131000.

It is a congruent number.

It is an unprimeable number.

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, 1131 + ... + 1881.

It is an arithmetic number, because the mean of its divisors is an integer number (142128).

21131006 is an apocalyptic number.

1131006 is an abundant number, since it is smaller than the sum of its proper divisors (1143042).

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

1131006 is a wasteful number, since it uses less digits than its factorization.

1131006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1131006 is about 1063.4876586026. The cubic root of 1131006 is about 104.1889439998.

Adding to 1131006 its reverse (6001311), we get a palindrome (7132317).

The spelling of 1131006 in words is "one million, one hundred thirty-one thousand, six".

Divisors: 1 2 3 6 251 502 751 753 1502 1506 2253 4506 188501 377002 565503 1131006