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76920201 = 328546689
BaseRepresentation
bin1001001010110…
…11010110001001
312100201221200100
410211123112021
5124142421301
611344400013
71622545101
oct445332611
9170657610
1076920201
113a468316
1221916009
1312c22617
14a304201
156b46286
hex495b589

76920201 has 6 divisors (see below), whose sum is σ = 111106970. Its totient is φ = 51280128.

The previous prime is 76920197. The next prime is 76920203. The reversal of 76920201 is 10202967.

It can be written as a sum of positive squares in only one way, i.e., 44156025 + 32764176 = 6645^2 + 5724^2 .

It is not a de Polignac number, because 76920201 - 22 = 76920197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76920203) 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 5 ways as a sum of consecutive naturals, for example, 4273336 + ... + 4273353.

Almost surely, 276920201 is an apocalyptic number.

It is an amenable number.

76920201 is a deficient number, since it is larger than the sum of its proper divisors (34186769).

76920201 is a wasteful number, since it uses less digits than its factorization.

76920201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546695 (or 8546692 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 76920201 is about 8770.4162386970. The cubic root of 76920201 is about 425.2850701066.

The spelling of 76920201 in words is "seventy-six million, nine hundred twenty thousand, two hundred one".

Divisors: 1 3 9 8546689 25640067 76920201