Search a number
-
+
71082150 = 2352631751
BaseRepresentation
bin1000011110010…
…10000010100110
311221202100101020
410033022002212
5121144112100
611015312010
71522121406
oct417120246
9157670336
1071082150
1137140087
121b97b606
131195a259
149624806
1563915a0
hex43ca0a6

71082150 has 48 divisors (see below), whose sum is σ = 176798208. Its totient is φ = 18900000.

The previous prime is 71082149. The next prime is 71082299. The reversal of 71082150 is 5128017.

It is a self number, because there is not a number n which added to its sum of digits gives 71082150.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 94275 + ... + 95025.

It is an arithmetic number, because the mean of its divisors is an integer number (3683296).

Almost surely, 271082150 is an apocalyptic number.

71082150 is an abundant number, since it is smaller than the sum of its proper divisors (105716058).

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

71082150 is a wasteful number, since it uses less digits than its factorization.

71082150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 71082150 is about 8431.0230695924. The cubic root of 71082150 is about 414.2414167573.

The spelling of 71082150 in words is "seventy-one million, eighty-two thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 631 751 1262 1502 1893 2253 3155 3755 3786 4506 6310 7510 9465 11265 15775 18775 18930 22530 31550 37550 47325 56325 94650 112650 473881 947762 1421643 2369405 2843286 4738810 7108215 11847025 14216430 23694050 35541075 71082150