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140745417 = 3191245629
BaseRepresentation
bin10000110001110…
…01101011001001
3100210211121102020
420120321223021
5242012323132
621544355053
73326213331
oct1030715311
9323747366
10140745417
11724a112a
123b175a89
132320b717
141499a0c1
15c55252c
hex8639ac9

140745417 has 8 divisors (see below), whose sum is σ = 188643840. Its totient is φ = 93338640.

The previous prime is 140745403. The next prime is 140745421. The reversal of 140745417 is 714547041.

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

It is not a de Polignac number, because 140745417 - 27 = 140745289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140745467) 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, 122242 + ... + 123387.

It is an arithmetic number, because the mean of its divisors is an integer number (23580480).

Almost surely, 2140745417 is an apocalyptic number.

It is an amenable number.

140745417 is a deficient number, since it is larger than the sum of its proper divisors (47898423).

140745417 is a wasteful number, since it uses less digits than its factorization.

140745417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245823.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 140745417 is about 11863.6173657110. The cubic root of 140745417 is about 520.1693444997.

It can be divided in two parts, 14074 and 5417, that added together give a palindrome (19491).

The spelling of 140745417 in words is "one hundred forty million, seven hundred forty-five thousand, four hundred seventeen".

Divisors: 1 3 191 573 245629 736887 46915139 140745417