Base | Representation |
---|---|
bin | 111010001100000… |
… | …1010010111011001 |
3 | 12001001221211002100 |
4 | 1310120022113121 |
5 | 12444314202334 |
6 | 521424354013 |
7 | 66245620332 |
oct | 16430122731 |
9 | 5031854070 |
10 | 1952490969 |
11 | 912148400 |
12 | 465a75909 |
13 | 251681a00 |
14 | 14744d289 |
15 | b662ac99 |
hex | 7460a5d9 |
1952490969 has 81 divisors (see below), whose sum is σ = 3389668191. Its totient is φ = 1081697760.
The previous prime is 1952490959. The next prime is 1952490979. The reversal of 1952490969 is 9690942591.
The square root of 1952490969 is 44187.
It is a perfect power (a square), and thus also a powerful number.
1952490969 is a `hidden beast` number, since 1 + 95 + 2 + 490 + 9 + 69 = 666.
It is an interprime number because it is at equal distance from previous prime (1952490959) and next prime (1952490979).
It can be written as a sum of positive squares in only one way, i.e., 288830025 + 1663660944 = 16995^2 + 40788^2 .
It is not a de Polignac number, because 1952490969 - 29 = 1952490457 is a prime.
It is a super-2 number, since 2×19524909692 = 7624441968053117922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1952490959) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 18956172 + ... + 18956274.
Almost surely, 21952490969 is an apocalyptic number.
1952490969 is the 44187-th square number.
1952490969 is the 22094-th centered octagonal number.
It is an amenable number.
1952490969 is a deficient number, since it is larger than the sum of its proper divisors (1437177222).
1952490969 is a wasteful number, since it uses less digits than its factorization.
1952490969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 1574640, while the sum is 54.
The cubic root of 1952490969 is about 1249.8647254145.
The spelling of 1952490969 in words is "one billion, nine hundred fifty-two million, four hundred ninety thousand, nine hundred sixty-nine".
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