Base | Representation |
---|---|
bin | 1011111110100001… |
… | …1000000011010010 |
3 | 22022001122120111220 |
4 | 2333220120003102 |
5 | 23041022020110 |
6 | 1251005145510 |
7 | 142446216453 |
oct | 27750300322 |
9 | 8261576456 |
10 | 3215032530 |
11 | 13aa890586 |
12 | 75885b296 |
13 | 3c3102c18 |
14 | 226dbd12a |
15 | 13c3bc370 |
hex | bfa180d2 |
3215032530 has 16 divisors (see below), whose sum is σ = 7716078144. Its totient is φ = 857342000.
The previous prime is 3215032517. The next prime is 3215032547. The reversal of 3215032530 is 352305123.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 3215032530.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53583846 + ... + 53583905.
It is an arithmetic number, because the mean of its divisors is an integer number (482254884).
Almost surely, 23215032530 is an apocalyptic number.
3215032530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3215032530 is an abundant number, since it is smaller than the sum of its proper divisors (4501045614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3215032530 is a wasteful number, since it uses less digits than its factorization.
3215032530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107167761.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 3215032530 is about 56701.2568643765. The cubic root of 3215032530 is about 1475.9165086328.
Adding to 3215032530 its reverse (352305123), we get a palindrome (3567337653).
The spelling of 3215032530 in words is "three billion, two hundred fifteen million, thirty-two thousand, five hundred thirty".
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