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45732020 = 2252286601
BaseRepresentation
bin1010111001110…
…1000010110100
310012001102112112
42232131002310
543201411040
64312110152
71063500335
oct256350264
9105042475
1045732020
11238a6164
1213395358
139622889
14610628c
154035365
hex2b9d0b4

45732020 has 12 divisors (see below), whose sum is σ = 96037284. Its totient is φ = 18292800.

The previous prime is 45732019. The next prime is 45732041. The reversal of 45732020 is 2023754.

45732020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7118224 + 38613796 = 2668^2 + 6214^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1143281 + ... + 1143320.

It is an arithmetic number, because the mean of its divisors is an integer number (8003107).

Almost surely, 245732020 is an apocalyptic number.

It is an amenable number.

45732020 is an abundant number, since it is smaller than the sum of its proper divisors (50305264).

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

45732020 is a wasteful number, since it uses less digits than its factorization.

45732020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286610 (or 2286608 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 45732020 is about 6762.5453787757. The cubic root of 45732020 is about 357.6076452212.

Adding to 45732020 its reverse (2023754), we get a palindrome (47755774).

The spelling of 45732020 in words is "forty-five million, seven hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 2286601 4573202 9146404 11433005 22866010 45732020