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67384485 = 3257213919
BaseRepresentation
bin1000000010000…
…11010010100101
311200210111010200
410001003102211
5114222300420
610404141113
71445521140
oct401032245
9150714120
1067384485
1135044a63
121a697799
1310c6419c
148d41057
155db0b90
hex40434a5

67384485 has 24 divisors (see below), whose sum is σ = 133486080. Its totient is φ = 30804192.

The previous prime is 67384477. The next prime is 67384501. The reversal of 67384485 is 58448376.

It is not a de Polignac number, because 67384485 - 23 = 67384477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 67384485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106645 + ... + 107274.

It is an arithmetic number, because the mean of its divisors is an integer number (5561920).

Almost surely, 267384485 is an apocalyptic number.

It is an amenable number.

67384485 is a deficient number, since it is larger than the sum of its proper divisors (66101595).

67384485 is a wasteful number, since it uses less digits than its factorization.

67384485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213937 (or 213934 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 67384485 is about 8208.8053332991. The cubic root of 67384485 is about 406.9302462022.

It can be divided in two parts, 673 and 84485, that added together give a palindrome (85158).

The spelling of 67384485 in words is "sixty-seven million, three hundred eighty-four thousand, four hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 213919 641757 1069595 1497433 1925271 3208785 4492299 7487165 9626355 13476897 22461495 67384485