Base | Representation |
---|---|
bin | 1011101101111000… |
… | …0010010001101000 |
3 | 22010012021101011120 |
4 | 2323132002101220 |
5 | 22420133304112 |
6 | 1240032455240 |
7 | 140640604203 |
oct | 27336022150 |
9 | 8105241146 |
10 | 3145213032 |
11 | 1374433115 |
12 | 7393aa520 |
13 | 3b17c8600 |
14 | 21ba0693a |
15 | 1361c9e8c |
hex | bb782468 |
3145213032 has 96 divisors (see below), whose sum is σ = 8962754400. Its totient is φ = 916800768.
The previous prime is 3145213021. The next prime is 3145213063. The reversal of 3145213032 is 2303125413.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 3145212993 and 3145213011.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56658 + ... + 97470.
It is an arithmetic number, because the mean of its divisors is an integer number (93362025).
Almost surely, 23145213032 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 3145213032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481377200).
3145213032 is an abundant number, since it is smaller than the sum of its proper divisors (5817541368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145213032 is a wasteful number, since it uses less digits than its factorization.
3145213032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40867 (or 40850 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 3145213032 is about 56082.1988869909. The cubic root of 3145213032 is about 1465.1542712432.
Adding to 3145213032 its reverse (2303125413), we get a palindrome (5448338445).
The spelling of 3145213032 in words is "three billion, one hundred forty-five million, two hundred thirteen thousand, thirty-two".
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