Search a number
-
+
70955664 = 2431328747
BaseRepresentation
bin1000011101010…
…11001010010000
311221111220212120
410032223022100
5121131040124
611012454240
71521053553
oct416531220
9157456776
1070955664
113706404a
121b91a380
1311914800
1495d069a
156368d79
hex43ab290

70955664 has 60 divisors (see below), whose sum is σ = 198509616. Its totient is φ = 21830016.

The previous prime is 70955641. The next prime is 70955669. The reversal of 70955664 is 46655907.

It is not an unprimeable number, because it can be changed into a prime (70955669) 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 11 ways as a sum of consecutive naturals, for example, 3739 + ... + 12485.

Almost surely, 270955664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70955664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99254808).

70955664 is an abundant number, since it is smaller than the sum of its proper divisors (127553952).

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

70955664 is a wasteful number, since it uses less digits than its factorization.

70955664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784 (or 8765 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 70955664 is about 8423.5185047580. The cubic root of 70955664 is about 413.9955657767.

The spelling of 70955664 in words is "seventy million, nine hundred fifty-five thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 169 208 312 338 507 624 676 1014 1352 2028 2704 4056 8112 8747 17494 26241 34988 52482 69976 104964 113711 139952 209928 227422 341133 419856 454844 682266 909688 1364532 1478243 1819376 2729064 2956486 4434729 5458128 5912972 8869458 11825944 17738916 23651888 35477832 70955664