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140041723 = 197370617
BaseRepresentation
bin10000101100011…
…01110111111011
3100202111212010111
420112031313323
5241322313343
621521325151
73320222623
oct1026156773
9322455114
10140041723
1172060468
123aa967b7
1323023333
1414855883
15c463c9d
hex858ddfb

140041723 has 4 divisors (see below), whose sum is σ = 147412360. Its totient is φ = 132671088.

The previous prime is 140041721. The next prime is 140041729. The reversal of 140041723 is 327140041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140041723 - 21 = 140041721 is a prime.

It is a super-2 number, since 2×1400417232 = 39223368361617458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140041694 and 140041703.

It is not an unprimeable number, because it can be changed into a prime (140041721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685290 + ... + 3685327.

It is an arithmetic number, because the mean of its divisors is an integer number (36853090).

Almost surely, 2140041723 is an apocalyptic number.

140041723 is a deficient number, since it is larger than the sum of its proper divisors (7370637).

140041723 is an equidigital number, since it uses as much as digits as its factorization.

140041723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370636.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 140041723 is about 11833.9225534055. The cubic root of 140041723 is about 519.3009875454.

Adding to 140041723 its reverse (327140041), we get a palindrome (467181764).

The spelling of 140041723 in words is "one hundred forty million, forty-one thousand, seven hundred twenty-three".

Divisors: 1 19 7370617 140041723