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45140237 = 237612579
BaseRepresentation
bin1010110000110…
…0100100001101
310010221100202122
42230030210031
543023441422
64251302325
71055454122
oct254144415
9103840678
1045140237
112353158a
121314a9a5
1394763cc
145dd0749
153e69d42
hex2b0c90d

45140237 has 8 divisors (see below), whose sum is σ = 47183040. Its totient is φ = 43104160.

The previous prime is 45140231. The next prime is 45140261. The reversal of 45140237 is 73204154.

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

It is a cyclic number.

It is not a de Polignac number, because 45140237 - 214 = 45123853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45140231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16214 + ... + 18792.

It is an arithmetic number, because the mean of its divisors is an integer number (5897880).

Almost surely, 245140237 is an apocalyptic number.

It is an amenable number.

45140237 is a deficient number, since it is larger than the sum of its proper divisors (2042803).

45140237 is a wasteful number, since it uses less digits than its factorization.

45140237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 45140237 is about 6718.6484503954. The cubic root of 45140237 is about 356.0584347331.

The spelling of 45140237 in words is "forty-five million, one hundred forty thousand, two hundred thirty-seven".

Divisors: 1 23 761 2579 17503 59317 1962619 45140237