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490671 = 33171069
BaseRepresentation
bin1110111110010101111
3220221002000
41313302233
5111200141
614303343
74112346
oct1676257
9827060
10490671
11305715
121b7b53
1314244c
14cab5d
159a5b6
hex77caf

490671 has 16 divisors (see below), whose sum is σ = 770400. Its totient is φ = 307584.

The previous prime is 490663. The next prime is 490697. The reversal of 490671 is 176094.

It is not a de Polignac number, because 490671 - 23 = 490663 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (48150).

2490671 is an apocalyptic number.

490671 is a deficient number, since it is larger than the sum of its proper divisors (279729).

490671 is a wasteful number, since it uses less digits than its factorization.

490671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 490671 is about 700.4791217445. The cubic root of 490671 is about 78.8733215185.

The spelling of 490671 in words is "four hundred ninety thousand, six hundred seventy-one".

Divisors: 1 3 9 17 27 51 153 459 1069 3207 9621 18173 28863 54519 163557 490671