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140312841 = 347219907
BaseRepresentation
bin10000101110100…
…00000100001001
3100210000122000220
420113100010021
5241410002331
621531220253
73322432224
oct1027200411
9323018026
10140312841
1172226129
123aba7689
13230b9866
14148c65bb
15c4b9296
hex85d0109

140312841 has 8 divisors (see below), whose sum is σ = 187142304. Its totient is φ = 93512640.

The previous prime is 140312839. The next prime is 140312863. The reversal of 140312841 is 148213041.

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

It is not a de Polignac number, because 140312841 - 21 = 140312839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140312801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9210 + ... + 19116.

It is an arithmetic number, because the mean of its divisors is an integer number (23392788).

Almost surely, 2140312841 is an apocalyptic number.

It is an amenable number.

140312841 is a deficient number, since it is larger than the sum of its proper divisors (46829463).

140312841 is an equidigital number, since it uses as much as digits as its factorization.

140312841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14631.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 140312841 is about 11845.3721342978. The cubic root of 140312841 is about 519.6358903229.

Adding to 140312841 its reverse (148213041), we get a palindrome (288525882).

The spelling of 140312841 in words is "one hundred forty million, three hundred twelve thousand, eight hundred forty-one".

Divisors: 1 3 4721 9907 14163 29721 46770947 140312841