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73189061 = 118974759
BaseRepresentation
bin1000101110011…
…00011011000101
312002201101111222
410113030123011
5122214022221
611132410125
71546045121
oct427143305
9162641458
1073189061
113834a030
1220616945
131221724a
149a12581
15665a9ab
hex45cc6c5

73189061 has 8 divisors (see below), whose sum is σ = 80740800. Its totient is φ = 65787040.

The previous prime is 73189057. The next prime is 73189073. The reversal of 73189061 is 16098137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73189061 - 22 = 73189057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73189021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36401 + ... + 38358.

It is an arithmetic number, because the mean of its divisors is an integer number (10092600).

Almost surely, 273189061 is an apocalyptic number.

It is an amenable number.

73189061 is a deficient number, since it is larger than the sum of its proper divisors (7551739).

73189061 is a wasteful number, since it uses less digits than its factorization.

73189061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74859.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 73189061 is about 8555.0605491721. The cubic root of 73189061 is about 418.2944077190.

The spelling of 73189061 in words is "seventy-three million, one hundred eighty-nine thousand, sixty-one".

Divisors: 1 11 89 979 74759 822349 6653551 73189061