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67916924 = 2216979231
BaseRepresentation
bin1000000110001…
…01010001111100
311201210112111122
410003011101330
5114341320144
610423410112
71453166345
oct403052174
9151715448
1067916924
1135378a99
121a8b3938
13110bc63a
14903d0cc
155e687ee
hex40c547c

67916924 has 6 divisors (see below), whose sum is σ = 118854624. Its totient is φ = 33958460.

The previous prime is 67916923. The next prime is 67916971. The reversal of 67916924 is 42961976.

It is a super-2 number, since 2×679169242 = 9225417131243552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67916923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8489612 + ... + 8489619.

It is an arithmetic number, because the mean of its divisors is an integer number (19809104).

Almost surely, 267916924 is an apocalyptic number.

It is an amenable number.

67916924 is a deficient number, since it is larger than the sum of its proper divisors (50937700).

67916924 is a wasteful number, since it uses less digits than its factorization.

67916924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16979235 (or 16979233 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 67916924 is about 8241.1724893974. The cubic root of 67916924 is about 407.9992230538. Note that the first 3 decimals are identical.

The spelling of 67916924 in words is "sixty-seven million, nine hundred sixteen thousand, nine hundred twenty-four".

Divisors: 1 2 4 16979231 33958462 67916924