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45041240 = 2351126031
BaseRepresentation
bin1010101111010…
…0011001011000
310010202022222002
42223310121120
543012304430
64245220132
71054562366
oct253643130
9103668862
1045041240
1123474172
1213101648
13944032a
145da6636
153e4a845
hex2af4658

45041240 has 16 divisors (see below), whose sum is σ = 101342880. Its totient is φ = 18016480.

The previous prime is 45041239. The next prime is 45041251. The reversal of 45041240 is 4214054.

45041240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 562976 + ... + 563055.

It is an arithmetic number, because the mean of its divisors is an integer number (6333930).

Almost surely, 245041240 is an apocalyptic number.

45041240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45041240 is an abundant number, since it is smaller than the sum of its proper divisors (56301640).

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

45041240 is a wasteful number, since it uses less digits than its factorization.

45041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126042 (or 1126038 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 45041240 is about 6711.2770766822. The cubic root of 45041240 is about 355.7979537770.

Adding to 45041240 its reverse (4214054), we get a palindrome (49255294).

The spelling of 45041240 in words is "forty-five million, forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1126031 2252062 4504124 5630155 9008248 11260310 22520620 45041240