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45378786 = 238984979
BaseRepresentation
bin1010110100011…
…0110011100010
310011101110222210
42231012303202
543104110121
64300342550
71060466445
oct255066342
9104343883
1045378786
1123684832
1213244a56
13952ab6b
14605365c
153eb5876
hex2b46ce2

45378786 has 16 divisors (see below), whose sum is σ = 91778400. Its totient is φ = 14956128.

The previous prime is 45378769. The next prime is 45378787. The reversal of 45378786 is 68787354.

45378786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45378787) 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 7 ways as a sum of consecutive naturals, for example, 41956 + ... + 43023.

It is an arithmetic number, because the mean of its divisors is an integer number (5736150).

Almost surely, 245378786 is an apocalyptic number.

45378786 is an abundant number, since it is smaller than the sum of its proper divisors (46399614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45378786 is a wasteful number, since it uses less digits than its factorization.

45378786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85073.

The product of its digits is 1128960, while the sum is 48.

The square root of 45378786 is about 6736.3778100697. The cubic root of 45378786 is about 356.6845442849.

It can be divided in two parts, 45378 and 786, that added together give a palindrome (46164).

The spelling of 45378786 in words is "forty-five million, three hundred seventy-eight thousand, seven hundred eighty-six".

Divisors: 1 2 3 6 89 178 267 534 84979 169958 254937 509874 7563131 15126262 22689393 45378786