Base | Representation |
---|---|
bin | 1000011101011… |
… | …10001101011100 |
3 | 11221112120000020 |
4 | 10032232031130 |
5 | 121131440111 |
6 | 11013032140 |
7 | 1521135150 |
oct | 416561534 |
9 | 157476006 |
10 | 70968156 |
11 | 37072476 |
12 | 1b925650 |
13 | 1191a3bc |
14 | 95d5060 |
15 | 636c906 |
hex | 43ae35c |
70968156 has 96 divisors (see below), whose sum is σ = 199879680. Its totient is φ = 19160064.
The previous prime is 70968143. The next prime is 70968169. The reversal of 70968156 is 65186907.
It is an interprime number because it is at equal distance from previous prime (70968143) and next prime (70968169).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210420 + ... + 210756.
It is an arithmetic number, because the mean of its divisors is an integer number (2082080).
Almost surely, 270968156 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 70968156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99939840).
70968156 is an abundant number, since it is smaller than the sum of its proper divisors (128911524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70968156 is a wasteful number, since it uses less digits than its factorization.
70968156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483 (or 481 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 42.
The square root of 70968156 is about 8424.2599674986. The cubic root of 70968156 is about 414.0198594875.
The spelling of 70968156 in words is "seventy million, nine hundred sixty-eight thousand, one hundred fifty-six".
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