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70751382 = 231317229233
BaseRepresentation
bin1000011011110…
…01010010010110
311221010112122120
410031321102112
5121103021012
611004240410
71516243152
oct415712226
9157115576
1070751382
1136a34619
121b840106
1311872830
14957a062
15632858c
hex4379496

70751382 has 64 divisors (see below), whose sum is σ = 162751680. Its totient is φ = 20312064.

The previous prime is 70751377. The next prime is 70751407. The reversal of 70751382 is 28315707.

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 31 ways as a sum of consecutive naturals, for example, 303538 + ... + 303770.

It is an arithmetic number, because the mean of its divisors is an integer number (2542995).

Almost surely, 270751382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70751382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81375840).

70751382 is an abundant number, since it is smaller than the sum of its proper divisors (92000298).

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

70751382 is a wasteful number, since it uses less digits than its factorization.

70751382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 70751382 is about 8411.3840716020. The cubic root of 70751382 is about 413.5978848940.

The spelling of 70751382 in words is "seventy million, seven hundred fifty-one thousand, three hundred eighty-two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 229 233 442 458 466 663 687 699 1326 1374 1398 2977 3029 3893 3961 5954 6058 7786 7922 8931 9087 11679 11883 17862 18174 23358 23766 50609 51493 53357 101218 102986 106714 151827 154479 160071 303654 308958 320142 693641 907069 1387282 1814138 2080923 2721207 4161846 5442414 11791897 23583794 35375691 70751382