Search a number
-
+
71834536 = 238979317
BaseRepresentation
bin1000100100000…
…01101110101000
312000011120110101
410102001232220
5121342201121
611043355144
71531404064
oct422015650
9160146411
1071834536
1137604394
1220082ab4
1311b61857
14977caa4
15648e491
hex4481ba8

71834536 has 8 divisors (see below), whose sum is σ = 134689770. Its totient is φ = 35917264.

The previous prime is 71834513. The next prime is 71834551. The reversal of 71834536 is 63543817.

It can be written as a sum of positive squares in only one way, i.e., 71740900 + 93636 = 8470^2 + 306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 71834495 and 71834504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489651 + ... + 4489666.

Almost surely, 271834536 is an apocalyptic number.

It is an amenable number.

71834536 is a deficient number, since it is larger than the sum of its proper divisors (62855234).

71834536 is a wasteful number, since it uses less digits than its factorization.

71834536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8979323 (or 8979319 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 71834536 is about 8475.5257064090. The cubic root of 71834536 is about 415.6978359246.

The spelling of 71834536 in words is "seventy-one million, eight hundred thirty-four thousand, five hundred thirty-six".

Divisors: 1 2 4 8 8979317 17958634 35917268 71834536