Base | Representation |
---|---|
bin | 11001010111001… |
… | …000001001100010 |
3 | 1002122122021210100 |
4 | 121113020021202 |
5 | 1332411234330 |
6 | 110115443230 |
7 | 13354426431 |
oct | 3127101142 |
9 | 1078567710 |
10 | 425493090 |
11 | 1a91a8290 |
12 | ba5b6516 |
13 | 6a1c9079 |
14 | 4071d118 |
15 | 2754c060 |
hex | 195c8262 |
425493090 has 48 divisors (see below), whose sum is σ = 1206855936. Its totient is φ = 103149600.
The previous prime is 425493043. The next prime is 425493091. The reversal of 425493090 is 90394524.
It is not an unprimeable number, because it can be changed into a prime (425493091) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213906 + ... + 215885.
It is an arithmetic number, because the mean of its divisors is an integer number (25142832).
Almost surely, 2425493090 is an apocalyptic number.
425493090 is an abundant number, since it is smaller than the sum of its proper divisors (781362846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
425493090 is a wasteful number, since it uses less digits than its factorization.
425493090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429815 (or 429812 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 425493090 is about 20627.4838504360. The cubic root of 425493090 is about 752.1379530845.
It can be divided in two parts, 4254 and 93090, that added together give a square (97344 = 3122).
The spelling of 425493090 in words is "four hundred twenty-five million, four hundred ninety-three thousand, ninety".
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