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111420413 = 1310338297
BaseRepresentation
bin1101010010000…
…10001111111101
321202122202001222
412221002033331
5212010423123
615020043125
72522025566
oct651021775
9252582058
10111420413
1157991895
12313934a5
131a111a50
1410b2516d
159bad6c8
hex6a423fd

111420413 has 8 divisors (see below), whose sum is σ = 120121848. Its totient is φ = 102737664.

The previous prime is 111420401. The next prime is 111420437. The reversal of 111420413 is 314024111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62378404 + 49042009 = 7898^2 + 7003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111420413 - 28 = 111420157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111420391 and 111420400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9281 + ... + 17577.

It is an arithmetic number, because the mean of its divisors is an integer number (15015231).

Almost surely, 2111420413 is an apocalyptic number.

111420413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111420413 is a deficient number, since it is larger than the sum of its proper divisors (8701435).

111420413 is a wasteful number, since it uses less digits than its factorization.

111420413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 111420413 is about 10555.5868145736. The cubic root of 111420413 is about 481.1955339945.

Adding to 111420413 its reverse (314024111), we get a palindrome (425444524).

The spelling of 111420413 in words is "one hundred eleven million, four hundred twenty thousand, four hundred thirteen".

Divisors: 1 13 1033 8297 13429 107861 8570801 111420413