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1002231132 = 223711931323
BaseRepresentation
bin111011101111001…
…101010101011100
32120211212121122120
4323233031111130
54023032344012
6243241142540
733556552440
oct7357152534
92524777576
101002231132
114748080a1
1223b78aa50
1312c83b896
149716c820
155cec258c
hex3bbcd55c

1002231132 has 24 divisors (see below), whose sum is σ = 2672616576. Its totient is φ = 286351728.

The previous prime is 1002231127. The next prime is 1002231161. The reversal of 1002231132 is 2311322001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5965578 + ... + 5965745.

It is an arithmetic number, because the mean of its divisors is an integer number (111359024).

Almost surely, 21002231132 is an apocalyptic number.

1002231132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002231132 is an abundant number, since it is smaller than the sum of its proper divisors (1670385444).

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

1002231132 is a wasteful number, since it uses less digits than its factorization.

1002231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931337 (or 11931335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1002231132 is about 31658.0342409316. The cubic root of 1002231132 is about 1000.7431582457.

Adding to 1002231132 its reverse (2311322001), we get a palindrome (3313553133).

The spelling of 1002231132 in words is "one billion, two million, two hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 11931323 23862646 35793969 47725292 71587938 83519261 143175876 167038522 250557783 334077044 501115566 1002231132