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19553413 = 111993557
BaseRepresentation
bin100101010010…
…1110010000101
31100210102020111
41022211302011
520001202123
61535033021
7325126015
oct112456205
940712214
1019553413
1110045850
12666b771
134088089
14284dc45
151ab390d
hex12a5c85

19553413 has 8 divisors (see below), whose sum is σ = 22453920. Its totient is φ = 16840080.

The previous prime is 19553399. The next prime is 19553431. The reversal of 19553413 is 31435591.

It is a happy number.

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

It is not a de Polignac number, because 19553413 - 29 = 19552901 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 (19553483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46570 + ... + 46987.

It is an arithmetic number, because the mean of its divisors is an integer number (2806740).

Almost surely, 219553413 is an apocalyptic number.

It is an amenable number.

19553413 is a deficient number, since it is larger than the sum of its proper divisors (2900507).

19553413 is a wasteful number, since it uses less digits than its factorization.

19553413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93587.

The product of its digits is 8100, while the sum is 31.

The square root of 19553413 is about 4421.9241287023. The cubic root of 19553413 is about 269.4061617186.

The spelling of 19553413 in words is "nineteen million, five hundred fifty-three thousand, four hundred thirteen".

Divisors: 1 11 19 209 93557 1029127 1777583 19553413