Base | Representation |
---|---|
bin | 111010110001010… |
… | …1010000001100000 |
3 | 12002102200221220201 |
4 | 1311202222001200 |
5 | 13014314104141 |
6 | 523403114544 |
7 | 66603613252 |
oct | 16542520140 |
9 | 5072627821 |
10 | 1972019296 |
11 | 922176315 |
12 | 470512a54 |
13 | 25572b530 |
14 | 149c93cd2 |
15 | b81d7031 |
hex | 758aa060 |
1972019296 has 48 divisors (see below), whose sum is σ = 4185972000. Its totient is φ = 909093888.
The previous prime is 1972019263. The next prime is 1972019317. The reversal of 1972019296 is 6929102791.
It is a happy number.
It is a congruent number.
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, 434125 + ... + 438643.
It is an arithmetic number, because the mean of its divisors is an integer number (87207750).
Almost surely, 21972019296 is an apocalyptic number.
1972019296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1972019296 is an abundant number, since it is smaller than the sum of its proper divisors (2213952704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1972019296 is a wasteful number, since it uses less digits than its factorization.
1972019296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5591 (or 5583 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 46.
The square root of 1972019296 is about 44407.4238838508. The cubic root of 1972019296 is about 1254.0178547840.
The spelling of 1972019296 in words is "one billion, nine hundred seventy-two million, nineteen thousand, two hundred ninety-six".
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