Search a number
-
+
135704047 = 179718221
BaseRepresentation
bin10000001011010…
…10110111101111
3100110100110221211
420011222313233
5234220012142
621244335251
73235315423
oct1005526757
9313313854
10135704047
116a668506
1239544527
1322164b6b
1414046b83
15bda8917
hex816adef

135704047 has 8 divisors (see below), whose sum is σ = 143852112. Its totient is φ = 127574400.

The previous prime is 135704029. The next prime is 135704057. The reversal of 135704047 is 740407531.

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 135704047 - 211 = 135701999 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 (135704057) 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, 12397 + ... + 20617.

It is an arithmetic number, because the mean of its divisors is an integer number (17981514).

Almost surely, 2135704047 is an apocalyptic number.

135704047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135704047 is a deficient number, since it is larger than the sum of its proper divisors (8148065).

135704047 is an equidigital number, since it uses as much as digits as its factorization.

135704047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 135704047 is about 11649.2079988298. The cubic root of 135704047 is about 513.8830185416.

The spelling of 135704047 in words is "one hundred thirty-five million, seven hundred four thousand, forty-seven".

Divisors: 1 17 971 8221 16507 139757 7982591 135704047