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70983330 = 235111712653
BaseRepresentation
bin1000011101100…
…01111010100010
311221120022211020
410032301322202
5121132431310
611013230310
71521230325
oct416617242
9157508736
1070983330
1137082910
121b932396
1311924292
1495da7bc
156372170
hex43b1ea2

70983330 has 64 divisors (see below), whose sum is σ = 196795008. Its totient is φ = 16194560.

The previous prime is 70983299. The next prime is 70983337. The reversal of 70983330 is 3338907.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 70983291 and 70983300.

It is not an unprimeable number, because it can be changed into a prime (70983337) by changing a digit.

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, 717 + ... + 11936.

It is an arithmetic number, because the mean of its divisors is an integer number (3074922).

Almost surely, 270983330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70983330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98397504).

70983330 is an abundant number, since it is smaller than the sum of its proper divisors (125811678).

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

70983330 is a wasteful number, since it uses less digits than its factorization.

70983330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12691.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 70983330 is about 8425.1605325952. The cubic root of 70983330 is about 414.0493651607.

The spelling of 70983330 in words is "seventy million, nine hundred eighty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 51 55 66 85 102 110 165 170 187 255 330 374 510 561 935 1122 1870 2805 5610 12653 25306 37959 63265 75918 126530 139183 189795 215101 278366 379590 417549 430202 645303 695915 835098 1075505 1290606 1391830 2087745 2151010 2366111 3226515 4175490 4732222 6453030 7098333 11830555 14196666 23661110 35491665 70983330