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67894424 = 2313652831
BaseRepresentation
bin1000000101111…
…11110010011000
311201202101122022
410002333302120
5114340110144
610423114012
71453043633
oct402776230
9151671568
1067894424
11353630a4
121a8a2908
13110b2320
149034c1a
155e61cee
hex40bfc98

67894424 has 16 divisors (see below), whose sum is σ = 137094720. Its totient is φ = 31335840.

The previous prime is 67894399. The next prime is 67894457. The reversal of 67894424 is 42449876.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 326312 + ... + 326519.

It is an arithmetic number, because the mean of its divisors is an integer number (8568420).

Almost surely, 267894424 is an apocalyptic number.

It is an amenable number.

67894424 is an abundant number, since it is smaller than the sum of its proper divisors (69200296).

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

67894424 is a wasteful number, since it uses less digits than its factorization.

67894424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652850 (or 652846 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 67894424 is about 8239.8072792997. The cubic root of 67894424 is about 407.9541631192.

The spelling of 67894424 in words is "sixty-seven million, eight hundred ninety-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 652831 1305662 2611324 5222648 8486803 16973606 33947212 67894424