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45100231 = 117951899
BaseRepresentation
bin1010110000001…
…0110011000111
310010212022212221
42230002303013
543021201411
64250353211
71055226361
oct254026307
9103768787
1045100231
1123504520
121312b807
139461137
145dbdd31
153e5d071
hex2b02cc7

45100231 has 8 divisors (see below), whose sum is σ = 49824000. Its totient is φ = 40480440.

The previous prime is 45100207. The next prime is 45100259. The reversal of 45100231 is 13200154.

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

It is not a de Polignac number, because 45100231 - 27 = 45100103 is a prime.

It is a super-2 number, since 2×451002312 = 4068061672506722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45130231) 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, 25081 + ... + 26818.

It is an arithmetic number, because the mean of its divisors is an integer number (6228000).

Almost surely, 245100231 is an apocalyptic number.

45100231 is a deficient number, since it is larger than the sum of its proper divisors (4723769).

45100231 is a wasteful number, since it uses less digits than its factorization.

45100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51989.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45100231 is about 6715.6705547548. The cubic root of 45100231 is about 355.9532168250.

Adding to 45100231 its reverse (13200154), we get a palindrome (58300385).

The spelling of 45100231 in words is "forty-five million, one hundred thousand, two hundred thirty-one".

Divisors: 1 11 79 869 51899 570889 4100021 45100231