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140741663 = 891581367
BaseRepresentation
bin10000110001110…
…00110000011111
3100210211102021012
420120320300133
5242012213123
621544325435
73326166356
oct1030706037
9323742235
10140741663
1172499327
123b17387b
1323209aba
141499899d
15c551378
hex8638c1f

140741663 has 4 divisors (see below), whose sum is σ = 142323120. Its totient is φ = 139160208.

The previous prime is 140741651. The next prime is 140741677. The reversal of 140741663 is 366147041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366147041 = 1328165157.

It is a cyclic number.

It is not a de Polignac number, because 140741663 - 28 = 140741407 is a prime.

It is a super-3 number, since 3×1407416633 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140741633) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 790595 + ... + 790772.

It is an arithmetic number, because the mean of its divisors is an integer number (35580780).

Almost surely, 2140741663 is an apocalyptic number.

140741663 is a deficient number, since it is larger than the sum of its proper divisors (1581457).

140741663 is an equidigital number, since it uses as much as digits as its factorization.

140741663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581456.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 140741663 is about 11863.4591498433. The cubic root of 140741663 is about 520.1647197592.

The spelling of 140741663 in words is "one hundred forty million, seven hundred forty-one thousand, six hundred sixty-three".

Divisors: 1 89 1581367 140741663