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70634080 = 2551167599
BaseRepresentation
bin1000011010111…
…00101001100000
311220220120202001
410031130221200
5121040242310
611001533344
71515244156
oct415345140
9156816661
1070634080
1136964480
121b7a4254
131183131a
1495493d6
15630393a
hex435ca60

70634080 has 96 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 25259520.

The previous prime is 70634063. The next prime is 70634087. The reversal of 70634080 is 8043607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70634087) 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 15 ways as a sum of consecutive naturals, for example, 117621 + ... + 118219.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 270634080 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 70634080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

70634080 is an abundant number, since it is smaller than the sum of its proper divisors (114434720).

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

70634080 is a wasteful number, since it uses less digits than its factorization.

70634080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 70634080 is about 8404.4083670417. The cubic root of 70634080 is about 413.3691840796.

Adding to 70634080 its reverse (8043607), we get a palindrome (78677687).

The spelling of 70634080 in words is "seventy million, six hundred thirty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 67 80 88 110 134 160 176 220 268 335 352 440 536 599 670 737 880 1072 1198 1340 1474 1760 2144 2396 2680 2948 2995 3685 4792 5360 5896 5990 6589 7370 9584 10720 11792 11980 13178 14740 19168 23584 23960 26356 29480 32945 40133 47920 52712 58960 65890 80266 95840 105424 117920 131780 160532 200665 210848 263560 321064 401330 441463 527120 642128 802660 882926 1054240 1284256 1605320 1765852 2207315 3210640 3531704 4414630 6421280 7063408 8829260 14126816 17658520 35317040 70634080