Search a number
-
+
71835252 = 2235986271
BaseRepresentation
bin1000100100000…
…01111001110100
312000011121102220
410102001321310
5121342212002
611043402340
71531406136
oct422017164
9160147386
1071835252
1137604985
12200833b0
1311b61c88
14977d056
15648e7bc
hex4481e74

71835252 has 12 divisors (see below), whose sum is σ = 167615616. Its totient is φ = 23945080.

The previous prime is 71835229. The next prime is 71835259. The reversal of 71835252 is 25253817.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71835259) 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 3 ways as a sum of consecutive naturals, for example, 2993124 + ... + 2993147.

It is an arithmetic number, because the mean of its divisors is an integer number (13967968).

Almost surely, 271835252 is an apocalyptic number.

It is an amenable number.

71835252 is an abundant number, since it is smaller than the sum of its proper divisors (95780364).

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

71835252 is a wasteful number, since it uses less digits than its factorization.

71835252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986278 (or 5986276 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 71835252 is about 8475.5679455716. The cubic root of 71835252 is about 415.6992170553.

The spelling of 71835252 in words is "seventy-one million, eight hundred thirty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 5986271 11972542 17958813 23945084 35917626 71835252