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45200001 = 3721127953
BaseRepresentation
bin1010110001101…
…1001010000001
310011001101202010
42230123022001
543032400001
64252443133
71056123300
oct254331201
9104041663
1045200001
1123572480
12131794a9
139497682
146008437
153e7c8d6
hex2b1b281

45200001 has 24 divisors (see below), whose sum is σ = 76482144. Its totient is φ = 23479680.

The previous prime is 45199967. The next prime is 45200003. The reversal of 45200001 is 10000254.

It is not a de Polignac number, because 45200001 - 29 = 45199489 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45200001.

It is not an unprimeable number, because it can be changed into a prime (45200003) 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 23 ways as a sum of consecutive naturals, for example, 12360 + ... + 15593.

It is an arithmetic number, because the mean of its divisors is an integer number (3186756).

Almost surely, 245200001 is an apocalyptic number.

It is an amenable number.

45200001 is a deficient number, since it is larger than the sum of its proper divisors (31282143).

45200001 is a wasteful number, since it uses less digits than its factorization.

45200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27981 (or 27974 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 45200001 is about 6723.0945999592. The cubic root of 45200001 is about 356.2155014916.

Adding to 45200001 its reverse (10000254), we get a palindrome (55200255).

The spelling of 45200001 in words is "forty-five million, two hundred thousand, one".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 27953 83859 195671 307483 587013 922449 1369697 2152381 4109091 6457143 15066667 45200001