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140104051 = 791773469
BaseRepresentation
bin10000101100111…
…01000101110011
3100202122000121221
420112131011303
5241331312201
621522525511
73320602423
oct1026350563
9322560557
10140104051
11720a327a
123ab06897
1323045809
1414870483
15c4774a1
hex859d173

140104051 has 4 divisors (see below), whose sum is σ = 141877600. Its totient is φ = 138330504.

The previous prime is 140104049. The next prime is 140104057. The reversal of 140104051 is 150401041.

140104051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140104051 - 21 = 140104049 is a prime.

It is a super-2 number, since 2×1401040512 = 39258290213221202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140104057) 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, 886656 + ... + 886813.

It is an arithmetic number, because the mean of its divisors is an integer number (35469400).

Almost surely, 2140104051 is an apocalyptic number.

140104051 is a deficient number, since it is larger than the sum of its proper divisors (1773549).

140104051 is an equidigital number, since it uses as much as digits as its factorization.

140104051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773548.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 140104051 is about 11836.5557067924. Note that the first 3 decimals coincide. The cubic root of 140104051 is about 519.3780174253.

Adding to 140104051 its reverse (150401041), we get a palindrome (290505092).

The spelling of 140104051 in words is "one hundred forty million, one hundred four thousand, fifty-one".

Divisors: 1 79 1773469 140104051