Search a number
-
+
140608544 = 256736529
BaseRepresentation
bin10000110000110…
…00010000100000
3100210120122122212
420120120100200
5241443433134
621541421252
73325103306
oct1030302040
9323518585
10140608544
117240830a
123b10a828
132319132b
1414962276
15c526bce
hex8618420

140608544 has 24 divisors (see below), whose sum is σ = 277276860. Its totient is φ = 70189056.

The previous prime is 140608543. The next prime is 140608577. The reversal of 140608544 is 445806041.

It can be written as a sum of positive squares in 2 ways, for example, as 125708944 + 14899600 = 11212^2 + 3860^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 140608544.

It is not an unprimeable number, because it can be changed into a prime (140608541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18272 + ... + 24800.

Almost surely, 2140608544 is an apocalyptic number.

It is an amenable number.

140608544 is a deficient number, since it is larger than the sum of its proper divisors (136668316).

140608544 is an equidigital number, since it uses as much as digits as its factorization.

140608544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7212 (or 7204 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 140608544 is about 11857.8473594494. The cubic root of 140608544 is about 520.0006706106. Note that the first 3 decimals are identical.

The spelling of 140608544 in words is "one hundred forty million, six hundred eight thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 32 673 1346 2692 5384 6529 10768 13058 21536 26116 52232 104464 208928 4394017 8788034 17576068 35152136 70304272 140608544