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667422330 = 23528037937
BaseRepresentation
bin100111110010000…
…000111001111010
31201111212120022120
4213302000321322
52331330003310
6150121102110
722352665461
oct4762007172
91644776276
10667422330
11312819303
12167627936
13a8374073
14648d79d8
153d8d9b70
hex27c80e7a

667422330 has 32 divisors (see below), whose sum is σ = 1602586944. Its totient is φ = 177893376.

The previous prime is 667422271. The next prime is 667422331. The reversal of 667422330 is 33224766.

667422330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 667422291 and 667422300.

It is not an unprimeable number, because it can be changed into a prime (667422331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80122 + ... + 88058.

It is an arithmetic number, because the mean of its divisors is an integer number (50080842).

Almost surely, 2667422330 is an apocalyptic number.

667422330 is an abundant number, since it is smaller than the sum of its proper divisors (935164614).

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

667422330 is a wasteful number, since it uses less digits than its factorization.

667422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10750.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 667422330 is about 25834.5181878819. The cubic root of 667422330 is about 873.9104064682.

The spelling of 667422330 in words is "six hundred sixty-seven million, four hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2803 5606 7937 8409 14015 15874 16818 23811 28030 39685 42045 47622 79370 84090 119055 238110 22247411 44494822 66742233 111237055 133484466 222474110 333711165 667422330