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790775138 = 2677183117
BaseRepresentation
bin101111001000100…
…100010101100010
32001002222112120002
4233020210111202
53104414301023
6210245020002
725411322606
oct5710442542
92032875502
10790775138
1137641007a
121a09b4602
13c7aa30aa
1477047506
1549653b28
hex2f224562

790775138 has 16 divisors (see below), whose sum is σ = 1220837184. Its totient is φ = 383995920.

The previous prime is 790775131. The next prime is 790775143. The reversal of 790775138 is 831577097.

It is a junction number, because it is equal to n+sod(n) for n = 790775092 and 790775101.

It is not an unprimeable number, because it can be changed into a prime (790775131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32045 + ... + 51072.

It is an arithmetic number, because the mean of its divisors is an integer number (76302324).

Almost surely, 2790775138 is an apocalyptic number.

790775138 is a deficient number, since it is larger than the sum of its proper divisors (430062046).

790775138 is a wasteful number, since it uses less digits than its factorization.

790775138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83257.

The product of its (nonzero) digits is 370440, while the sum is 47.

The square root of 790775138 is about 28120.7243505568. The cubic root of 790775138 is about 924.7357952031.

The spelling of 790775138 in words is "seven hundred ninety million, seven hundred seventy-five thousand, one hundred thirty-eight".

Divisors: 1 2 67 71 134 142 4757 9514 83117 166234 5568839 5901307 11137678 11802614 395387569 790775138