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70813412 = 22233771293
BaseRepresentation
bin1000011100010…
…00011011100100
311221020200201222
410032020123210
5121112012122
611005435512
71516622045
oct416103344
9157220658
1070813412
1136a7718a
121b86bb98
1311894b37
1495948cc
15633bb42
hex43886e4

70813412 has 48 divisors (see below), whose sum is σ = 135136512. Its totient is φ = 32376960.

The previous prime is 70813409. The next prime is 70813417. The reversal of 70813412 is 21431807.

It is not an unprimeable number, because it can be changed into a prime (70813417) 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, 241538 + ... + 241830.

It is an arithmetic number, because the mean of its divisors is an integer number (2815344).

Almost surely, 270813412 is an apocalyptic number.

It is an amenable number.

70813412 is a deficient number, since it is larger than the sum of its proper divisors (64323100).

70813412 is a wasteful number, since it uses less digits than its factorization.

70813412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 426 counting only the distinct ones).

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

The square root of 70813412 is about 8415.0705285220. The cubic root of 70813412 is about 413.7187210863.

The spelling of 70813412 in words is "seventy million, eight hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 4 23 37 46 71 74 92 142 148 284 293 586 851 1172 1633 1702 2627 3266 3404 5254 6532 6739 10508 10841 13478 20803 21682 26956 41606 43364 60421 83212 120842 241684 249343 478469 498686 769711 956938 997372 1539422 1913876 3078844 17703353 35406706 70813412