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140047058 = 270023529
BaseRepresentation
bin10000101100011…
…11001011010010
3100202112010110002
420112033023102
5241323001213
621521410002
73320244314
oct1026171322
9322463402
10140047058
1172064478
123aa99902
13230258a8
14148577b4
15c465658
hex858f2d2

140047058 has 4 divisors (see below), whose sum is σ = 210070590. Its totient is φ = 70023528.

The previous prime is 140047009. The next prime is 140047111. The reversal of 140047058 is 850740041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 850740041 = 4092080049.

It can be written as a sum of positive squares in only one way, i.e., 116359369 + 23687689 = 10787^2 + 4867^2 .

It is a super-2 number, since 2×1400470582 = 39226356908910728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140047058.

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 as a sum of consecutive naturals, namely, 35011763 + ... + 35011766.

Almost surely, 2140047058 is an apocalyptic number.

140047058 is a deficient number, since it is larger than the sum of its proper divisors (70023532).

140047058 is an equidigital number, since it uses as much as digits as its factorization.

140047058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70023531.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 140047058 is about 11834.1479625700. The cubic root of 140047058 is about 519.3075818554.

Adding to 140047058 its reverse (850740041), we get a palindrome (990787099).

The spelling of 140047058 in words is "one hundred forty million, forty-seven thousand, fifty-eight".

Divisors: 1 2 70023529 140047058