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67474048 = 271513491
BaseRepresentation
bin1000000010110…
…01001010000000
311200222000222211
410001121022000
5114233132143
610410111504
71446343225
oct401311200
9150860884
1067474048
11350a6284
121a71b594
1310c95b95
148d6594c
155dcc49d
hex4059280

67474048 has 32 divisors (see below), whose sum is σ = 135349920. Its totient is φ = 33504000.

The previous prime is 67474031. The next prime is 67474063. The reversal of 67474048 is 84047476.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 67474048.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17583 + ... + 21073.

It is an arithmetic number, because the mean of its divisors is an integer number (4229685).

Almost surely, 267474048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67474048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67674960).

67474048 is an abundant number, since it is smaller than the sum of its proper divisors (67875872).

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

67474048 is a wasteful number, since it uses less digits than its factorization.

67474048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 67474048 is about 8214.2588223162. The cubic root of 67474048 is about 407.1104546404.

The spelling of 67474048 in words is "sixty-seven million, four hundred seventy-four thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 128 151 302 604 1208 2416 3491 4832 6982 9664 13964 19328 27928 55856 111712 223424 446848 527141 1054282 2108564 4217128 8434256 16868512 33737024 67474048