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140211079 = 1144312253
BaseRepresentation
bin10000101101101…
…11001110000111
3100202211110102221
420112313032013
5241343223304
621525113211
73321526441
oct1026671607
9322743387
10140211079
1172166728
123ab58807
1323082448
141489b491
15c499054
hex85b7387

140211079 has 4 divisors (see below), whose sum is σ = 140234776. Its totient is φ = 140187384.

The previous prime is 140211077. The next prime is 140211083. The reversal of 140211079 is 970112041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 140211079 - 21 = 140211077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140211077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5317 + ... + 17569.

It is an arithmetic number, because the mean of its divisors is an integer number (35058694).

Almost surely, 2140211079 is an apocalyptic number.

140211079 is a deficient number, since it is larger than the sum of its proper divisors (23697).

140211079 is a wasteful number, since it uses less digits than its factorization.

140211079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23696.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 140211079 is about 11841.0759223983. The cubic root of 140211079 is about 519.5102378267.

The spelling of 140211079 in words is "one hundred forty million, two hundred eleven thousand, seventy-nine".

Divisors: 1 11443 12253 140211079