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70928500 = 2253433299
BaseRepresentation
bin1000011101001…
…00100001110100
311221110112121111
410032210201310
5121124203000
611012124404
71520611426
oct416444164
9157415544
1070928500
11370456a5
121b906704
1311905336
1495c4816
156360cba
hex43a4874

70928500 has 48 divisors (see below), whose sum is σ = 158558400. Its totient is φ = 27703200.

The previous prime is 70928477. The next prime is 70928513. The reversal of 70928500 is 582907.

It is a super-2 number, since 2×709285002 = 10061704224500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 19851 + ... + 23149.

It is an arithmetic number, because the mean of its divisors is an integer number (3303300).

Almost surely, 270928500 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 70928500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79279200).

70928500 is an abundant number, since it is smaller than the sum of its proper divisors (87629900).

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

70928500 is a wasteful number, since it uses less digits than its factorization.

70928500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 70928500 is about 8421.9059600544. The cubic root of 70928500 is about 413.9427289755.

The spelling of 70928500 in words is "seventy million, nine hundred twenty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 125 172 215 250 430 500 860 1075 2150 3299 4300 5375 6598 10750 13196 16495 21500 32990 65980 82475 141857 164950 283714 329900 412375 567428 709285 824750 1418570 1649500 2837140 3546425 7092850 14185700 17732125 35464250 70928500