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8434245 = 35562283
BaseRepresentation
bin100000001011…
…001001000101
3120212111121110
4200023021011
54124343440
6500435233
7131455431
oct40131105
916774543
108434245
114840856
1229a8b19
131993ca1
1411979c1
15b19080
hex80b245

8434245 has 8 divisors (see below), whose sum is σ = 13494816. Its totient is φ = 4498256.

The previous prime is 8434243. The next prime is 8434253. The reversal of 8434245 is 5424348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8434245 - 21 = 8434243 is a prime.

It is a super-2 number, since 2×84342452 = 142272977440050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281127 + ... + 281156.

It is an arithmetic number, because the mean of its divisors is an integer number (1686852).

Almost surely, 28434245 is an apocalyptic number.

It is an amenable number.

8434245 is a deficient number, since it is larger than the sum of its proper divisors (5060571).

8434245 is a wasteful number, since it uses less digits than its factorization.

8434245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562291.

The product of its digits is 15360, while the sum is 30.

The square root of 8434245 is about 2904.1771640174. The cubic root of 8434245 is about 203.5551388276. Note that the first 3 decimals are identical.

The spelling of 8434245 in words is "eight million, four hundred thirty-four thousand, two hundred forty-five".

Divisors: 1 3 5 15 562283 1686849 2811415 8434245