Base | Representation |
---|---|
bin | 11101111000011… |
… | …10110101011110 |
3 | 122110200101012000 |
4 | 32330032311132 |
5 | 1003132423210 |
6 | 40512423130 |
7 | 6132443403 |
oct | 1674166536 |
9 | 573611160 |
10 | 250670430 |
11 | 11955144a |
12 | 6bb47aa6 |
13 | 3cc188ca |
14 | 254122aa |
15 | 17017ac0 |
hex | ef0ed5e |
250670430 has 32 divisors (see below), whose sum is σ = 668455200. Its totient is φ = 66845376.
The previous prime is 250670377. The next prime is 250670473. The reversal of 250670430 is 34076052.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 250670394 and 250670403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463935 + ... + 464474.
It is an arithmetic number, because the mean of its divisors is an integer number (20889225).
Almost surely, 2250670430 is an apocalyptic number.
250670430 is an abundant number, since it is smaller than the sum of its proper divisors (417784770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250670430 is a wasteful number, since it uses less digits than its factorization.
250670430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 928425 (or 928419 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 250670430 is about 15832.5749642943. The cubic root of 250670430 is about 630.5231482270.
The spelling of 250670430 in words is "two hundred fifty million, six hundred seventy thousand, four hundred thirty".
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