Base | Representation |
---|---|
bin | 1000011101001… |
… | …00111001000000 |
3 | 11221110121122110 |
4 | 10032210321000 |
5 | 121124224414 |
6 | 11012135320 |
7 | 1520615646 |
oct | 416447100 |
9 | 157417573 |
10 | 70929984 |
11 | 37046824 |
12 | 1b907540 |
13 | 11905c08 |
14 | 95c5196 |
15 | 6361459 |
hex | 43a4e40 |
70929984 has 112 divisors (see below), whose sum is σ = 205410816. Its totient is φ = 21504000.
The previous prime is 70929961. The next prime is 70929997. The reversal of 70929984 is 48992907.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100834 + ... + 101534.
Almost surely, 270929984 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 70929984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102705408).
70929984 is an abundant number, since it is smaller than the sum of its proper divisors (134480832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70929984 is a wasteful number, since it uses less digits than its factorization.
70929984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 764 (or 754 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 48.
The square root of 70929984 is about 8421.9940631658. The cubic root of 70929984 is about 413.9456158580.
The spelling of 70929984 in words is "seventy million, nine hundred twenty-nine thousand, nine hundred eighty-four".
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