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1400230111 = 7200032873
BaseRepresentation
bin101001101110101…
…1101000011011111
310121120210001121111
41103131131003133
510331424330421
6350535442451
746461521350
oct12335350337
93546701544
101400230111
11659436675
12330b26427
1319412c437
14d3d71d27
1582ddcee1
hex5375d0df

1400230111 has 4 divisors (see below), whose sum is σ = 1600262992. Its totient is φ = 1200197232.

The previous prime is 1400230093. The next prime is 1400230129. The reversal of 1400230111 is 1110320041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110320041 = 1676648623.

It is an interprime number because it is at equal distance from previous prime (1400230093) and next prime (1400230129).

It is a cyclic number.

It is not a de Polignac number, because 1400230111 - 25 = 1400230079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400230091 and 1400230100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400230151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100016430 + ... + 100016443.

It is an arithmetic number, because the mean of its divisors is an integer number (400065748).

Almost surely, 21400230111 is an apocalyptic number.

1400230111 is a deficient number, since it is larger than the sum of its proper divisors (200032881).

1400230111 is an equidigital number, since it uses as much as digits as its factorization.

1400230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200032880.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1400230111 is about 37419.6487289766. The cubic root of 1400230111 is about 1118.7502298263.

Adding to 1400230111 its reverse (1110320041), we get a palindrome (2510550152).

The spelling of 1400230111 in words is "one billion, four hundred million, two hundred thirty thousand, one hundred eleven".

Divisors: 1 7 200032873 1400230111