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67420576 = 252638011
BaseRepresentation
bin1000000010011…
…00000110100000
311200212022122101
410001030012200
5114224424301
610405020144
71446031306
oct401140640
9150768571
1067420576
113506a093
121a6b4654
1310c77742
148d50276
155dbb701
hex404c1a0

67420576 has 24 divisors (see below), whose sum is σ = 133255584. Its totient is φ = 33577920.

The previous prime is 67420571. The next prime is 67420627. The reversal of 67420576 is 67502476.

It is not an unprimeable number, because it can be changed into a prime (67420571) by changing a digit.

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, 4411 + ... + 12421.

It is an arithmetic number, because the mean of its divisors is an integer number (5552316).

Almost surely, 267420576 is an apocalyptic number.

It is an amenable number.

67420576 is a deficient number, since it is larger than the sum of its proper divisors (65835008).

67420576 is a wasteful number, since it uses less digits than its factorization.

67420576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284 (or 8276 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 67420576 is about 8211.0033491651. The cubic root of 67420576 is about 407.0028835869.

The spelling of 67420576 in words is "sixty-seven million, four hundred twenty thousand, five hundred seventy-six".

Divisors: 1 2 4 8 16 32 263 526 1052 2104 4208 8011 8416 16022 32044 64088 128176 256352 2106893 4213786 8427572 16855144 33710288 67420576