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67304912 = 2453139571
BaseRepresentation
bin1000000001011…
…11110111010000
311200122102222112
410000233313100
5114212224122
610402324452
71445040143
oct400576720
9150572875
1067304912
1134aa01a4
121a659728
1310c36bbc
148d2005a
155d972e2
hex402fdd0

67304912 has 40 divisors (see below), whose sum is σ = 134053920. Its totient is φ = 32722560.

The previous prime is 67304873. The next prime is 67304927. The reversal of 67304912 is 21940376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117587 + ... + 118157.

It is an arithmetic number, because the mean of its divisors is an integer number (3351348).

Almost surely, 267304912 is an apocalyptic number.

It is an amenable number.

67304912 is a deficient number, since it is larger than the sum of its proper divisors (66749008).

67304912 is a wasteful number, since it uses less digits than its factorization.

67304912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 67304912 is about 8203.9570939882. The cubic root of 67304912 is about 406.7700044950.

The spelling of 67304912 in words is "sixty-seven million, three hundred four thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 53 106 139 212 278 424 556 571 848 1112 1142 2224 2284 4568 7367 9136 14734 29468 30263 58936 60526 79369 117872 121052 158738 242104 317476 484208 634952 1269904 4206557 8413114 16826228 33652456 67304912