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70808300 = 2252719973
BaseRepresentation
bin1000011100001…
…11001011101100
311221020102201122
410032013023230
5121111331200
611005400112
71516601123
oct416071354
9157212648
1070808300
1136a73362
121b869038
1311892704
149592aba
15633a385
hex43872ec

70808300 has 36 divisors (see below), whose sum is σ = 155833776. Its totient is φ = 27921600.

The previous prime is 70808239. The next prime is 70808317. The reversal of 70808300 is 380807.

It is a self number, because there is not a number n which added to its sum of digits gives 70808300.

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 11 ways as a sum of consecutive naturals, for example, 2114 + ... + 12086.

It is an arithmetic number, because the mean of its divisors is an integer number (4328716).

Almost surely, 270808300 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 70808300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77916888).

70808300 is an abundant number, since it is smaller than the sum of its proper divisors (85025476).

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

70808300 is a wasteful number, since it uses less digits than its factorization.

70808300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058 (or 10051 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 70808300 is about 8414.7667822703. The cubic root of 70808300 is about 413.7087654346.

The spelling of 70808300 in words is "seventy million, eight hundred eight thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 71 100 142 284 355 710 1420 1775 3550 7100 9973 19946 39892 49865 99730 199460 249325 498650 708083 997300 1416166 2832332 3540415 7080830 14161660 17702075 35404150 70808300