Base | Representation |
---|---|
bin | 101110001101010… |
… | …100010010111110 |
3 | 2000000202102101120 |
4 | 232031110102332 |
5 | 3041430233232 |
6 | 204532051410 |
7 | 25132312335 |
oct | 5615242276 |
9 | 2000672346 |
10 | 775242942 |
11 | 368671551 |
12 | 197763b66 |
13 | c47c5446 |
14 | 74d62d1c |
15 | 480d692c |
hex | 2e3544be |
775242942 has 16 divisors (see below), whose sum is σ = 1641691152. Its totient is φ = 243213440.
The previous prime is 775242931. The next prime is 775242953. The reversal of 775242942 is 249242577.
It is an interprime number because it is at equal distance from previous prime (775242931) and next prime (775242953).
It is a junction number, because it is equal to n+sod(n) for n = 775242894 and 775242903.
It is a congruent number.
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, 3800109 + ... + 3800312.
It is an arithmetic number, because the mean of its divisors is an integer number (102605697).
Almost surely, 2775242942 is an apocalyptic number.
775242942 is an abundant number, since it is smaller than the sum of its proper divisors (866448210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
775242942 is a wasteful number, since it uses less digits than its factorization.
775242942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7600443.
The product of its digits is 282240, while the sum is 42.
The square root of 775242942 is about 27843.1848393821. The cubic root of 775242942 is about 918.6412448620.
The spelling of 775242942 in words is "seven hundred seventy-five million, two hundred forty-two thousand, nine hundred forty-two".
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