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140024345 = 5232714493
BaseRepresentation
bin10000101100010…
…01101000011001
3100202110222021212
420112021220121
5241321234340
621521112505
73320121146
oct1026115031
9322428255
10140024345
11720493aa
123aa88735
1323018456
141484d3cd
15c45da65
hex8589a19

140024345 has 16 divisors (see below), whose sum is σ = 176020992. Its totient is φ = 106729920.

The previous prime is 140024333. The next prime is 140024347. The reversal of 140024345 is 543420041.

It is not a de Polignac number, because 140024345 - 28 = 140024089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140024345.

It is not an unprimeable number, because it can be changed into a prime (140024347) 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 15 ways as a sum of consecutive naturals, for example, 28919 + ... + 33411.

It is an arithmetic number, because the mean of its divisors is an integer number (11001312).

Almost surely, 2140024345 is an apocalyptic number.

It is an amenable number.

140024345 is a deficient number, since it is larger than the sum of its proper divisors (35996647).

140024345 is a wasteful number, since it uses less digits than its factorization.

140024345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 140024345 is about 11833.1882854960. The cubic root of 140024345 is about 519.2795063618.

Adding to 140024345 its reverse (543420041), we get a palindrome (683444386).

The spelling of 140024345 in words is "one hundred forty million, twenty-four thousand, three hundred forty-five".

Divisors: 1 5 23 115 271 1355 4493 6233 22465 31165 103339 516695 1217603 6088015 28004869 140024345