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70928814 = 23113972707
BaseRepresentation
bin1000011101001…
…00100110101110
311221110120001010
410032210212232
5121124210224
611012130050
71520612355
oct416444656
9157416033
1070928814
1137045960
121b906926
1311905518
1495c499c
156360e29
hex43a49ae

70928814 has 32 divisors (see below), whose sum is σ = 155200896. Its totient is φ = 21431520.

The previous prime is 70928779. The next prime is 70928821. The reversal of 70928814 is 41882907.

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 15 ways as a sum of consecutive naturals, for example, 24849 + ... + 27555.

It is an arithmetic number, because the mean of its divisors is an integer number (4850028).

Almost surely, 270928814 is an apocalyptic number.

70928814 is an abundant number, since it is smaller than the sum of its proper divisors (84272082).

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

70928814 is a wasteful number, since it uses less digits than its factorization.

70928814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 70928814 is about 8421.9246018947. The cubic root of 70928814 is about 413.9433398152.

The spelling of 70928814 in words is "seventy million, nine hundred twenty-eight thousand, eight hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 397 794 1191 2382 2707 4367 5414 8121 8734 13101 16242 26202 29777 59554 89331 178662 1074679 2149358 3224037 6448074 11821469 23642938 35464407 70928814