Search a number
-
+
71013684 = 22373127271
BaseRepresentation
bin1000011101110…
…01010100110100
311221121212110110
410032321110310
5121134414214
611014023020
71521414660
oct416712464
9157555413
1071013684
11370a36a5
121b947a70
1311935041
1496078a0
15637b159
hex43b9534

71013684 has 48 divisors (see below), whose sum is σ = 195485696. Its totient is φ = 19634400.

The previous prime is 71013671. The next prime is 71013707. The reversal of 71013684 is 48631017.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11032 + ... + 16239.

Almost surely, 271013684 is an apocalyptic number.

It is an amenable number.

71013684 is an abundant number, since it is smaller than the sum of its proper divisors (124472012).

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

71013684 is a wasteful number, since it uses less digits than its factorization.

71013684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27316 (or 27314 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 71013684 is about 8426.9617300662. The cubic root of 71013684 is about 414.1083755574.

The spelling of 71013684 in words is "seventy-one million, thirteen thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 186 217 372 434 651 868 1302 2604 27271 54542 81813 109084 163626 190897 327252 381794 572691 763588 845401 1145382 1690802 2290764 2536203 3381604 5072406 5917807 10144812 11835614 17753421 23671228 35506842 71013684