Base | Representation |
---|---|
bin | 101010011010000… |
… | …1100101001011110 |
3 | 10200011120100002210 |
4 | 1110310030221132 |
5 | 10403240010223 |
6 | 353111101250 |
7 | 50156016642 |
oct | 12464145136 |
9 | 3604510083 |
10 | 1422969438 |
11 | 670258000 |
12 | 338671826 |
13 | 198a61667 |
14 | d6db0c22 |
15 | 84dd0893 |
hex | 54d0ca5e |
1422969438 has 32 divisors (see below), whose sum is σ = 3130336512. Its totient is φ = 431200440.
The previous prime is 1422969437. The next prime is 1422969439. The reversal of 1422969438 is 8349692241.
It is an interprime number because it is at equal distance from previous prime (1422969437) and next prime (1422969439).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1422969437) 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, 81106 + ... + 97077.
It is an arithmetic number, because the mean of its divisors is an integer number (97823016).
Almost surely, 21422969438 is an apocalyptic number.
1422969438 is an abundant number, since it is smaller than the sum of its proper divisors (1707367074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1422969438 is a wasteful number, since it uses less digits than its factorization.
1422969438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178221 (or 178199 counting only the distinct ones).
The product of its digits is 746496, while the sum is 48.
The square root of 1422969438 is about 37722.2671375939. The cubic root of 1422969438 is about 1124.7737982742.
The spelling of 1422969438 in words is "one billion, four hundred twenty-two million, nine hundred sixty-nine thousand, four hundred thirty-eight".
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