Base | Representation |
---|---|
bin | 111000101001001… |
… | …1111010000101000 |
3 | 11220110110010212202 |
4 | 1301102133100220 |
5 | 12343033001130 |
6 | 512333555332 |
7 | 65046305621 |
oct | 16122372050 |
9 | 4813403782 |
10 | 1900672040 |
11 | 895975043 |
12 | 450645b48 |
13 | 243a0a717 |
14 | 140600a48 |
15 | b1ce2145 |
hex | 7149f428 |
1900672040 has 32 divisors (see below), whose sum is σ = 4279500000. Its totient is φ = 759737664.
The previous prime is 1900672021. The next prime is 1900672069. The reversal of 1900672040 is 402760091.
It is a super-2 number, since 2×19006720402 = 7225108407275523200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1900671994 and 1900672012.
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, 44111 + ... + 75809.
It is an arithmetic number, because the mean of its divisors is an integer number (133734375).
Almost surely, 21900672040 is an apocalyptic number.
1900672040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1900672040 is an abundant number, since it is smaller than the sum of its proper divisors (2378827960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1900672040 is a wasteful number, since it uses less digits than its factorization.
1900672040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33209 (or 33205 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 1900672040 is about 43596.6975813536. The cubic root of 1900672040 is about 1238.7083410881.
The spelling of 1900672040 in words is "one billion, nine hundred million, six hundred seventy-two thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •