Base | Representation |
---|---|
bin | 111000101000100… |
… | …1111011010001010 |
3 | 11220102211112020001 |
4 | 1301101033122022 |
5 | 12342442014340 |
6 | 512322553214 |
7 | 65043444226 |
oct | 16121173212 |
9 | 4812745201 |
10 | 1900344970 |
11 | 895771337 |
12 | 45050880a |
13 | 2439248a4 |
14 | 140557786 |
15 | b1c7a29a |
hex | 7144f68a |
1900344970 has 8 divisors (see below), whose sum is σ = 3420620964. Its totient is φ = 760137984.
The previous prime is 1900344923. The next prime is 1900344977. The reversal of 1900344970 is 794430091.
It can be written as a sum of positive squares in 2 ways, for example, as 1898954929 + 1390041 = 43577^2 + 1179^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×19003449702 = 7222622010008601800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1900344977) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95017239 + ... + 95017258.
Almost surely, 21900344970 is an apocalyptic number.
1900344970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1900344970 is a deficient number, since it is larger than the sum of its proper divisors (1520275994).
1900344970 is a wasteful number, since it uses less digits than its factorization.
1900344970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190034504.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 1900344970 is about 43592.9463330938. The cubic root of 1900344970 is about 1238.6372841900.
The spelling of 1900344970 in words is "one billion, nine hundred million, three hundred forty-four thousand, nine hundred seventy".
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