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67364444 = 2272405873
BaseRepresentation
bin1000000001111…
…10011001011100
311200202110122102
410000332121130
5114221130234
610403504232
71445405540
oct400763134
9150673572
1067364444
11350309a4
121a688078
1310c58024
148d37a20
155da9c7e
hex403e65c

67364444 has 12 divisors (see below), whose sum is σ = 134728944. Its totient is φ = 28870464.

The previous prime is 67364417. The next prime is 67364459. The reversal of 67364444 is 44446376.

67364444 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 67364398 and 67364407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202909 + ... + 1202964.

It is an arithmetic number, because the mean of its divisors is an integer number (11227412).

Almost surely, 267364444 is an apocalyptic number.

It is an amenable number.

67364444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67364444 is a wasteful number, since it uses less digits than its factorization.

67364444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405884 (or 2405882 counting only the distinct ones).

The product of its digits is 193536, while the sum is 38.

The square root of 67364444 is about 8207.5845411424. The cubic root of 67364444 is about 406.8899001310.

The spelling of 67364444 in words is "sixty-seven million, three hundred sixty-four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 2405873 4811746 9623492 16841111 33682222 67364444