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4231285 = 51137489
BaseRepresentation
bin10000001001000001110101
321221222020021
4100021001311
52040400120
6230405141
750652052
oct20110165
97858207
104231285
112430033
1215007b1
13b51c26
147c2029
15588aaa
hex409075

4231285 has 8 divisors (see below), whose sum is σ = 5123160. Its totient is φ = 3354624.

The previous prime is 4231277. The next prime is 4231291. The reversal of 4231285 is 5821324.

It can be written as a sum of positive squares in 4 ways, for example, as 36 + 4231249 = 6^2 + 2057^2 .

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 4231285 - 23 = 4231277 is a prime.

It is a d-powerful number, because it can be written as 46 + 215 + 33 + 1 + 222 + 82 + 52 .

4231285 is a lucky number.

It is a plaindrome in base 15.

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, 3180 + ... + 4309.

It is an arithmetic number, because the mean of its divisors is an integer number (640395).

Almost surely, 24231285 is an apocalyptic number.

It is an amenable number.

4231285 is a deficient number, since it is larger than the sum of its proper divisors (891875).

4231285 is a wasteful number, since it uses less digits than its factorization.

4231285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607.

The product of its digits is 1920, while the sum is 25.

The square root of 4231285 is about 2057.0087505891. The cubic root of 4231285 is about 161.7424781126.

The spelling of 4231285 in words is "four million, two hundred thirty-one thousand, two hundred eighty-five".

Divisors: 1 5 113 565 7489 37445 846257 4231285