Base | Representation |
---|---|
bin | 1000011101000… |
… | …11011100000000 |
3 | 11221110022111000 |
4 | 10032203130000 |
5 | 121124032112 |
6 | 11012052000 |
7 | 1520562414 |
oct | 416433400 |
9 | 157408430 |
10 | 70924032 |
11 | 37042303 |
12 | 1b904000 |
13 | 119032aa |
14 | 95c2d44 |
15 | 635e7dc |
hex | 43a3700 |
70924032 has 144 divisors (see below), whose sum is σ = 217154560. Its totient is φ = 22809600.
The previous prime is 70924031. The next prime is 70924037. The reversal of 70924032 is 23042907.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a zygodrome in base 3.
It is a junction number, because it is equal to n+sod(n) for n = 70923987 and 70924005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70924031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214107 + ... + 214437.
Almost surely, 270924032 is an apocalyptic number.
70924032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70924032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108577280).
70924032 is an abundant number, since it is smaller than the sum of its proper divisors (146230528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70924032 is a wasteful number, since it uses less digits than its factorization.
70924032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387 (or 367 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 70924032 is about 8421.6406952565. The cubic root of 70924032 is about 413.9340369596.
Adding to 70924032 its reverse (23042907), we get a palindrome (93966939).
The spelling of 70924032 in words is "seventy million, nine hundred twenty-four thousand, thirty-two".
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