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45180101 = 172839391
BaseRepresentation
bin1010110001011…
…0010011000101
310011000101110002
42230112103011
543031230401
64252211045
71056011261
oct254262305
9104011402
1045180101
112355952a
1213169a85
13948b5b5
1460010a1
153e76a6b
hex2b164c5

45180101 has 8 divisors (see below), whose sum is σ = 48011904. Its totient is φ = 42367680.

The previous prime is 45180089. The next prime is 45180127. The reversal of 45180101 is 10108154.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45180101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45180131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116 + ... + 9506.

It is an arithmetic number, because the mean of its divisors is an integer number (6001488).

Almost surely, 245180101 is an apocalyptic number.

It is an amenable number.

45180101 is a deficient number, since it is larger than the sum of its proper divisors (2831803).

45180101 is a wasteful number, since it uses less digits than its factorization.

45180101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9691.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 45180101 is about 6721.6144638026. The cubic root of 45180101 is about 356.1632173553.

Adding to 45180101 its reverse (10108154), we get a palindrome (55288255).

The spelling of 45180101 in words is "forty-five million, one hundred eighty thousand, one hundred one".

Divisors: 1 17 283 4811 9391 159647 2657653 45180101