Search a number
-
+
227620134 = 23271806509
BaseRepresentation
bin11011001000100…
…11010100100110
3120212022022010100
431210103110212
5431232321014
634330404530
75432511360
oct1544232446
9525268110
10227620134
11107538415
1264290746
1338207c91
1422331d30
1514eb3009
hexd913526

227620134 has 24 divisors (see below), whose sum is σ = 563631120. Its totient is φ = 65034288.

The previous prime is 227620111. The next prime is 227620139. The reversal of 227620134 is 431026722.

227620134 is a `hidden beast` number, since 2 + 2 + 7 + 620 + 1 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 227620098 and 227620107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227620139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 903129 + ... + 903380.

It is an arithmetic number, because the mean of its divisors is an integer number (23484630).

Almost surely, 2227620134 is an apocalyptic number.

227620134 is an abundant number, since it is smaller than the sum of its proper divisors (336010986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227620134 is a wasteful number, since it uses less digits than its factorization.

227620134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806524 (or 1806521 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 227620134 is about 15087.0850067202. The cubic root of 227620134 is about 610.5720102523.

Adding to 227620134 its reverse (431026722), we get a palindrome (658646856).

The spelling of 227620134 in words is "two hundred twenty-seven million, six hundred twenty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1806509 3613018 5419527 10839054 12645563 16258581 25291126 32517162 37936689 75873378 113810067 227620134