Search a number
-
+
140232707 = 373397947
BaseRepresentation
bin10000101101111…
…00100000000011
3100202212120002222
420112330200003
5241344421312
621525401255
73321646466
oct1026744003
9322776088
10140232707
11721809aa
123ab6922b
132308c244
14148a52dd
15c4a0672
hex85bc803

140232707 has 8 divisors (see below), whose sum is σ = 141111696. Its totient is φ = 139357152.

The previous prime is 140232683. The next prime is 140232727. The reversal of 140232707 is 707232041.

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

It is a cyclic number.

It is not a de Polignac number, because 140232707 - 210 = 140231683 is a prime.

It is a super-2 number, since 2×1402327072 = 39330424225095698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140232727) 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 7 ways as a sum of consecutive naturals, for example, 147608 + ... + 148554.

It is an arithmetic number, because the mean of its divisors is an integer number (17638962).

Almost surely, 2140232707 is an apocalyptic number.

140232707 is a deficient number, since it is larger than the sum of its proper divisors (878989).

140232707 is an equidigital number, since it uses as much as digits as its factorization.

140232707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 140232707 is about 11841.9891487875. The cubic root of 140232707 is about 519.5369484828.

Adding to 140232707 its reverse (707232041), we get a palindrome (847464748).

The spelling of 140232707 in words is "one hundred forty million, two hundred thirty-two thousand, seven hundred seven".

Divisors: 1 373 397 947 148081 353231 375959 140232707