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675249 = 3474789
BaseRepresentation
bin10100100110110110001
31021022021020
42210312301
5133101444
622250053
75511441
oct2446661
91238236
10675249
11421363
12286929
131a8473
14138121
15d5119
hexa4db1

675249 has 8 divisors (see below), whose sum is σ = 919680. Its totient is φ = 440496.

The previous prime is 675247. The next prime is 675251. The reversal of 675249 is 942576.

675249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (675247) and next prime (675251).

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

It is not a de Polignac number, because 675249 - 21 = 675247 is a prime.

It is a super-2 number, since 2×6752492 = 911922424002, which contains 22 as substring.

675249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (675247) 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, 2254 + ... + 2535.

It is an arithmetic number, because the mean of its divisors is an integer number (114960).

2675249 is an apocalyptic number.

It is an amenable number.

675249 is a deficient number, since it is larger than the sum of its proper divisors (244431).

675249 is a wasteful number, since it uses less digits than its factorization.

675249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839.

The product of its digits is 15120, while the sum is 33.

The square root of 675249 is about 821.7353588595. The cubic root of 675249 is about 87.7313171969.

The spelling of 675249 in words is "six hundred seventy-five thousand, two hundred forty-nine".

Divisors: 1 3 47 141 4789 14367 225083 675249