Base | Representation |
---|---|
bin | 1000011101000… |
… | …11101011000000 |
3 | 11221110100210120 |
4 | 10032203223000 |
5 | 121124044432 |
6 | 11012100240 |
7 | 1520565255 |
oct | 416435300 |
9 | 157410716 |
10 | 70924992 |
11 | 37042aa6 |
12 | 1b904680 |
13 | 11903868 |
14 | 95c342c |
15 | 635ec2c |
hex | 43a3ac0 |
70924992 has 56 divisors (see below), whose sum is σ = 189433200. Its totient is φ = 23417856.
The previous prime is 70924979. The next prime is 70924999. The reversal of 70924992 is 29942907.
It is a super-3 number, since 3×709249923 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (70924999) 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 7 ways as a sum of consecutive naturals, for example, 19234 + ... + 22622.
Almost surely, 270924992 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 70924992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94716600).
70924992 is an abundant number, since it is smaller than the sum of its proper divisors (118508208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70924992 is a wasteful number, since it uses less digits than its factorization.
70924992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3513 (or 3503 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 70924992 is about 8421.6976910834. The cubic root of 70924992 is about 413.9359045677.
The spelling of 70924992 in words is "seventy million, nine hundred twenty-four thousand, nine hundred ninety-two".
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