Base | Representation |
---|---|
bin | 111110101011111111010 |
3 | 10212100202012 |
4 | 13311133322 |
5 | 1011213023 |
6 | 112005522 |
7 | 23313512 |
oct | 7653772 |
9 | 3770665 |
10 | 2054138 |
11 | 1183339 |
12 | 8308a2 |
13 | 56bc88 |
14 | 3b6842 |
15 | 2a8978 |
hex | 1f57fa |
2054138 has 8 divisors (see below), whose sum is σ = 3112020. Its totient is φ = 1016800.
The previous prime is 2054131. The next prime is 2054149. The reversal of 2054138 is 8314502.
It can be written as a sum of positive squares in 2 ways, for example, as 1481089 + 573049 = 1217^2 + 757^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2054131) 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, 4883 + ... + 5286.
22054138 is an apocalyptic number.
2054138 is a deficient number, since it is larger than the sum of its proper divisors (1057882).
2054138 is a wasteful number, since it uses less digits than its factorization.
2054138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10272.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 2054138 is about 1433.2264301219. The cubic root of 2054138 is about 127.1188256923.
The spelling of 2054138 in words is "two million, fifty-four thousand, one hundred thirty-eight".
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