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16103407 = 25164157
BaseRepresentation
bin111101011011…
…011111101111
31010022010201111
4331123133233
513110302112
61333052451
7253606465
oct75333757
933263644
1016103407
1190a9801
125487127
13344a958
1421d2835
1516315a7
hexf5b7ef

16103407 has 4 divisors (see below), whose sum is σ = 16167816. Its totient is φ = 16039000.

The previous prime is 16103303. The next prime is 16103413. The reversal of 16103407 is 70430161.

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 16103407 - 211 = 16101359 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 (16103107) 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, 31828 + ... + 32329.

It is an arithmetic number, because the mean of its divisors is an integer number (4041954).

Almost surely, 216103407 is an apocalyptic number.

16103407 is a deficient number, since it is larger than the sum of its proper divisors (64409).

16103407 is an equidigital number, since it uses as much as digits as its factorization.

16103407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64408.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 16103407 is about 4012.9050574366. The cubic root of 16103407 is about 252.5258974189.

Adding to 16103407 its reverse (70430161), we get a palindrome (86533568).

The spelling of 16103407 in words is "sixteen million, one hundred three thousand, four hundred seven".

Divisors: 1 251 64157 16103407