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67042136 = 2371197181
BaseRepresentation
bin1111111110111…
…1101101011000
311200011002112002
43333233231120
5114130322021
610352540132
71442564060
oct377575530
9150132462
1067042136
1134930827
121a551648
1310b74405
148c923a0
155d4450b
hex3fefb58

67042136 has 16 divisors (see below), whose sum is σ = 143661840. Its totient is φ = 28732320.

The previous prime is 67042099. The next prime is 67042153. The reversal of 67042136 is 63124076.

It is a junction number, because it is equal to n+sod(n) for n = 67042099 and 67042108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598535 + ... + 598646.

It is an arithmetic number, because the mean of its divisors is an integer number (8978865).

Almost surely, 267042136 is an apocalyptic number.

It is an amenable number.

67042136 is an abundant number, since it is smaller than the sum of its proper divisors (76619704).

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

67042136 is a wasteful number, since it uses less digits than its factorization.

67042136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197194 (or 1197190 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 67042136 is about 8187.9262331802. The cubic root of 67042136 is about 406.2399351826.

The spelling of 67042136 in words is "sixty-seven million, forty-two thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 1197181 2394362 4788724 8380267 9577448 16760534 33521068 67042136