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70851066 = 23112137507
BaseRepresentation
bin1000011100100…
…01100111111010
311221022121101120
410032101213322
5121114213231
611010330110
71520136606
oct416214772
9157277346
1070851066
1136aa2500
121b889936
13118a9010
1495a4506
156347d96
hex43919fa

70851066 has 48 divisors (see below), whose sum is σ = 167758752. Its totient is φ = 19815840.

The previous prime is 70851061. The next prime is 70851091. The reversal of 70851066 is 66015807.

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

It is not an unprimeable number, because it can be changed into a prime (70851061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5685 + ... + 13191.

It is an arithmetic number, because the mean of its divisors is an integer number (3494974).

Almost surely, 270851066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70851066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83879376).

70851066 is an abundant number, since it is smaller than the sum of its proper divisors (96907686).

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

70851066 is a wasteful number, since it uses less digits than its factorization.

70851066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547 (or 7536 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 70851066 is about 8417.3075267570. The cubic root of 70851066 is about 413.7920377267.

The spelling of 70851066 in words is "seventy million, eight hundred fifty-one thousand, sixty-six".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 121 143 242 286 363 429 726 858 1573 3146 4719 7507 9438 15014 22521 45042 82577 97591 165154 195182 247731 292773 495462 585546 908347 1073501 1816694 2147002 2725041 3220503 5450082 6441006 11808511 23617022 35425533 70851066