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72832147 is a prime number
BaseRepresentation
bin1000101011101…
…01010010010011
312002001020220221
410111311102103
5122121112042
611121013511
71543030423
oct425652223
9162036827
1072832147
1138125963
1220484297
131212095b
14995c483
1565d9d67
hex4575493

72832147 has 2 divisors, whose sum is σ = 72832148. Its totient is φ = 72832146.

The previous prime is 72832141. The next prime is 72832163. The reversal of 72832147 is 74123827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72832147 - 23 = 72832139 is a prime.

It is not a weakly prime, because it can be changed into another prime (72832141) 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 as a sum of consecutive naturals, namely, 36416073 + 36416074.

It is an arithmetic number, because the mean of its divisors is an integer number (36416074).

Almost surely, 272832147 is an apocalyptic number.

72832147 is a deficient number, since it is larger than the sum of its proper divisors (1).

72832147 is an equidigital number, since it uses as much as digits as its factorization.

72832147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 72832147 is about 8534.1752384164. The cubic root of 72832147 is about 417.6133474978.

The spelling of 72832147 in words is "seventy-two million, eight hundred thirty-two thousand, one hundred forty-seven".