Base | Representation |
---|---|
bin | 1000010111001… |
… | …11010000101100 |
3 | 11220000011011220 |
4 | 10023213100230 |
5 | 120424401020 |
6 | 10543343340 |
7 | 1511202312 |
oct | 413472054 |
9 | 156004156 |
10 | 70153260 |
11 | 36666201 |
12 | 1b5b1b50 |
13 | 116c3508 |
14 | 94620b2 |
15 | 625b240 |
hex | 42e742c |
70153260 has 48 divisors (see below), whose sum is σ = 198809856. Its totient is φ = 18480832.
The previous prime is 70153211. The next prime is 70153261. The reversal of 70153260 is 6235107.
It is a self number, because there is not a number n which added to its sum of digits gives 70153260.
It is not an unprimeable number, because it can be changed into a prime (70153261) 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, 2064 + ... + 12023.
It is an arithmetic number, because the mean of its divisors is an integer number (4141872).
Almost surely, 270153260 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 70153260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99404928).
70153260 is an abundant number, since it is smaller than the sum of its proper divisors (128656596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70153260 is a wasteful number, since it uses less digits than its factorization.
70153260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14182 (or 14180 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 70153260 is about 8375.7542943904. The cubic root of 70153260 is about 412.4290860650.
Adding to 70153260 its reverse (6235107), we get a palindrome (76388367).
The spelling of 70153260 in words is "seventy million, one hundred fifty-three thousand, two hundred sixty".
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