Base | Representation |
---|---|
bin | 101010010111011… |
… | …1000001101011111 |
3 | 10200001221111022012 |
4 | 1110232320031133 |
5 | 10402410400012 |
6 | 353021141435 |
7 | 50141121356 |
oct | 12456701537 |
9 | 3601844265 |
10 | 1421575007 |
11 | 66a495386 |
12 | 3380ba87b |
13 | 198693a58 |
14 | d6b2a99d |
15 | 84c07622 |
hex | 54bb835f |
1421575007 has 8 divisors (see below), whose sum is σ = 1490841600. Its totient is φ = 1352930040.
The previous prime is 1421574971. The next prime is 1421575009. The reversal of 1421575007 is 7005751241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1421575007 - 26 = 1421574943 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1421575009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150719 + ... + 159872.
It is an arithmetic number, because the mean of its divisors is an integer number (186355200).
Almost surely, 21421575007 is an apocalyptic number.
1421575007 is a deficient number, since it is larger than the sum of its proper divisors (69266593).
1421575007 is a wasteful number, since it uses less digits than its factorization.
1421575007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310813.
The product of its (nonzero) digits is 9800, while the sum is 32.
The square root of 1421575007 is about 37703.7797442113. The cubic root of 1421575007 is about 1124.4062729170.
The spelling of 1421575007 in words is "one billion, four hundred twenty-one million, five hundred seventy-five thousand, seven".
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