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193489413 = 3137169877
BaseRepresentation
bin10111000100001…
…10101000000101
3111111002021120120
423202012220011
5344013130123
631111052153
74536430035
oct1342065005
9444067516
10193489413
119a246507
1254971059
1331117aa0
141b9a98c5
1511ec02e3
hexb886a05

193489413 has 16 divisors (see below), whose sum is σ = 281748096. Its totient is φ = 117391680.

The previous prime is 193489397. The next prime is 193489423. The reversal of 193489413 is 314984391.

It is not a de Polignac number, because 193489413 - 24 = 193489397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193489423) 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 15 ways as a sum of consecutive naturals, for example, 32170 + ... + 37707.

It is an arithmetic number, because the mean of its divisors is an integer number (17609256).

Almost surely, 2193489413 is an apocalyptic number.

193489413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

193489413 is a deficient number, since it is larger than the sum of its proper divisors (88258683).

193489413 is a wasteful number, since it uses less digits than its factorization.

193489413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69964.

The product of its digits is 93312, while the sum is 42.

The square root of 193489413 is about 13910.0471961816. The cubic root of 193489413 is about 578.3877271041.

The spelling of 193489413 in words is "one hundred ninety-three million, four hundred eighty-nine thousand, four hundred thirteen".

Divisors: 1 3 13 39 71 213 923 2769 69877 209631 908401 2725203 4961267 14883801 64496471 193489413