Base | Representation |
---|---|
bin | 111001110010000… |
… | …001000101010001 |
3 | 2111120010021120011 |
4 | 321302001011101 |
5 | 3441132203240 |
6 | 240105514521 |
7 | 33010605544 |
oct | 7162010521 |
9 | 2446107504 |
10 | 969412945 |
11 | 458232326 |
12 | 2307a2a41 |
13 | 125abac37 |
14 | 92a6885b |
15 | 5a18d6ea |
hex | 39c81151 |
969412945 has 16 divisors (see below), whose sum is σ = 1173381840. Its totient is φ = 768835584.
The previous prime is 969412943. The next prime is 969412949. The reversal of 969412945 is 549214969.
It can be written as a sum of positive squares in 8 ways, for example, as 85599504 + 883813441 = 9252^2 + 29729^2 .
It is a cyclic number.
It is not a de Polignac number, because 969412945 - 21 = 969412943 is a prime.
It is a super-2 number, since 2×9694129452 = 1879522915867146050, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (969412943) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304321 + ... + 307489.
It is an arithmetic number, because the mean of its divisors is an integer number (73336365).
Almost surely, 2969412945 is an apocalyptic number.
It is an amenable number.
969412945 is a deficient number, since it is larger than the sum of its proper divisors (203968895).
969412945 is a wasteful number, since it uses less digits than its factorization.
969412945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3684.
The product of its digits is 699840, while the sum is 49.
The square root of 969412945 is about 31135.3969783589. The cubic root of 969412945 is about 989.6985597234.
The spelling of 969412945 in words is "nine hundred sixty-nine million, four hundred twelve thousand, nine hundred forty-five".
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