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73220201 = 235036329
BaseRepresentation
bin1000101110101…
…00000001101001
312002202222020022
410113110001221
5122221021301
611133210225
71546234655
oct427240151
9162688208
1073220201
113837046a
1220630975
1312228482
149a1da65
156664d1b
hex45d4069

73220201 has 8 divisors (see below), whose sum is σ = 76567680. Its totient is φ = 69886432.

The previous prime is 73220177. The next prime is 73220221. The reversal of 73220201 is 10202237.

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

It is a cyclic number.

It is not a de Polignac number, because 73220201 - 214 = 73203817 is a prime.

It is a super-2 number, since 2×732202012 = 10722395668960802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73220201.

It is not an unprimeable number, because it can be changed into a prime (73220221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8405 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (9570960).

Almost surely, 273220201 is an apocalyptic number.

It is an amenable number.

73220201 is a deficient number, since it is larger than the sum of its proper divisors (3347479).

73220201 is a wasteful number, since it uses less digits than its factorization.

73220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 73220201 is about 8556.8803310552. The cubic root of 73220201 is about 418.3537236913.

Adding to 73220201 its reverse (10202237), we get a palindrome (83422438).

The spelling of 73220201 in words is "seventy-three million, two hundred twenty thousand, two hundred one".

Divisors: 1 23 503 6329 11569 145567 3183487 73220201