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133082788 = 2253627749
BaseRepresentation
bin1111110111010…
…10111010100100
3100021102022021011
413323222322210
5233032122123
621112232004
73204120316
oct773527244
9307368234
10133082788
1169138083
123869b604
1321757a17
14139637b6
15ba3be0d
hex7eeaea4

133082788 has 12 divisors (see below), whose sum is σ = 237289500. Its totient is φ = 65285792.

The previous prime is 133082779. The next prime is 133082791. The reversal of 133082788 is 887280331.

It can be written as a sum of positive squares in 2 ways, for example, as 75898944 + 57183844 = 8712^2 + 7562^2 .

It is a super-2 number, since 2×1330827882 = 35422056923705888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133082788.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313663 + ... + 314086.

It is an arithmetic number, because the mean of its divisors is an integer number (19774125).

Almost surely, 2133082788 is an apocalyptic number.

It is an amenable number.

133082788 is a deficient number, since it is larger than the sum of its proper divisors (104206712).

133082788 is a wasteful number, since it uses less digits than its factorization.

133082788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627806 (or 627804 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 133082788 is about 11536.1513512956. The cubic root of 133082788 is about 510.5527622013.

The spelling of 133082788 in words is "one hundred thirty-three million, eighty-two thousand, seven hundred eighty-eight".

Divisors: 1 2 4 53 106 212 627749 1255498 2510996 33270697 66541394 133082788