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45807640 = 2351145191
BaseRepresentation
bin1010111010111…
…1100000011000
310012012021021021
42232233200120
543211321030
64313452224
71064233654
oct256574030
9105167237
1045807640
1123947a5a
1213411074
13964b118
146125a64
15404c97a
hex2baf818

45807640 has 16 divisors (see below), whose sum is σ = 103067280. Its totient is φ = 18323040.

The previous prime is 45807631. The next prime is 45807647. The reversal of 45807640 is 4670854.

45807640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45807596 and 45807605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45807647) 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 3 ways as a sum of consecutive naturals, for example, 572556 + ... + 572635.

It is an arithmetic number, because the mean of its divisors is an integer number (6441705).

Almost surely, 245807640 is an apocalyptic number.

45807640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45807640 is an abundant number, since it is smaller than the sum of its proper divisors (57259640).

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

45807640 is a wasteful number, since it uses less digits than its factorization.

45807640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145202 (or 1145198 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 45807640 is about 6768.1341594268. The cubic root of 45807640 is about 357.8046435795.

The spelling of 45807640 in words is "forty-five million, eight hundred seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1145191 2290382 4580764 5725955 9161528 11451910 22903820 45807640