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73161029 is a prime number
BaseRepresentation
bin1000101110001…
…01100101000101
312002122222001202
410113011211011
5122212123104
611132032245
71545600314
oct427054505
9162588052
1073161029
113832aa67
1220602685
1312207566
149a0627b
15665251e
hex45c5945

73161029 has 2 divisors, whose sum is σ = 73161030. Its totient is φ = 73161028.

The previous prime is 73160993. The next prime is 73161061. The reversal of 73161029 is 92016137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72165025 + 996004 = 8495^2 + 998^2 .

It is an emirp because it is prime and its reverse (92016137) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-73161029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73160992 and 73161010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73161079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36580514 + 36580515.

It is an arithmetic number, because the mean of its divisors is an integer number (36580515).

Almost surely, 273161029 is an apocalyptic number.

It is an amenable number.

73161029 is a deficient number, since it is larger than the sum of its proper divisors (1).

73161029 is an equidigital number, since it uses as much as digits as its factorization.

73161029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 73161029 is about 8553.4220637123. The cubic root of 73161029 is about 418.2409975236.

The spelling of 73161029 in words is "seventy-three million, one hundred sixty-one thousand, twenty-nine".