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140710445 = 5173744741
BaseRepresentation
bin10000110001100…
…01001000101101
3100210202211102222
420120301020231
5242010213240
621543525125
73326006351
oct1030611055
9323684388
10140710445
1172477927
123b1597a5
13231c8825
141498b461
15c546eb5
hex863122d

140710445 has 16 divisors (see below), whose sum is σ = 183621168. Its totient is φ = 103080960.

The previous prime is 140710439. The next prime is 140710511. The reversal of 140710445 is 544017041.

It can be written as a sum of positive squares in 8 ways, for example, as 477481 + 140232964 = 691^2 + 11842^2 .

It is not a de Polignac number, because 140710445 - 24 = 140710429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19226 + ... + 25515.

It is an arithmetic number, because the mean of its divisors is an integer number (11476323).

Almost surely, 2140710445 is an apocalyptic number.

It is an amenable number.

140710445 is a deficient number, since it is larger than the sum of its proper divisors (42910723).

140710445 is a wasteful number, since it uses less digits than its factorization.

140710445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44800.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 140710445 is about 11862.1433560719. The cubic root of 140710445 is about 520.1262575568.

Adding to 140710445 its reverse (544017041), we get a palindrome (684727486).

The spelling of 140710445 in words is "one hundred forty million, seven hundred ten thousand, four hundred forty-five".

Divisors: 1 5 17 37 85 185 629 3145 44741 223705 760597 1655417 3802985 8277085 28142089 140710445