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134202447 = 3323216107
BaseRepresentation
bin1111111111111…
…00010001001111
3100100112012011000
413333330101033
5233323434242
621152231343
73216462531
oct777742117
9310465130
10134202447
1169832315
1238b3b553
1321a5a542
1413b75851
15bbada4c
hex7ffc44f

134202447 has 16 divisors (see below), whose sum is σ = 207463680. Its totient is φ = 85577976.

The previous prime is 134202443. The next prime is 134202449. The reversal of 134202447 is 744202431.

134202447 is a `hidden beast` number, since 13 + 4 + 202 + 447 = 666.

It is not a de Polignac number, because 134202447 - 22 = 134202443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 134202447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134202443) 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 15 ways as a sum of consecutive naturals, for example, 107433 + ... + 108674.

It is an arithmetic number, because the mean of its divisors is an integer number (12966480).

Almost surely, 2134202447 is an apocalyptic number.

134202447 is a deficient number, since it is larger than the sum of its proper divisors (73261233).

134202447 is a wasteful number, since it uses less digits than its factorization.

134202447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216139 (or 216133 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 134202447 is about 11584.5779810919. The cubic root of 134202447 is about 511.9805684662.

Adding to 134202447 its reverse (744202431), we get a palindrome (878404878).

The spelling of 134202447 in words is "one hundred thirty-four million, two hundred two thousand, four hundred forty-seven".

Divisors: 1 3 9 23 27 69 207 621 216107 648321 1944963 4970461 5834889 14911383 44734149 134202447