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490454 = 2251977
BaseRepresentation
bin1110111101111010110
3220220202222
41313233112
5111143304
614302342
74111616
oct1675726
9826688
10490454
11305538
121b79b2
13142313
14caa46
159a4be
hex77bd6

490454 has 8 divisors (see below), whose sum is σ = 739368. Its totient is φ = 244000.

The previous prime is 490453. The next prime is 490459. The reversal of 490454 is 454094.

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

It is a super-2 number, since 2×4904542 = 481090252232, 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 (490453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (92421).

2490454 is an apocalyptic number.

490454 is a deficient number, since it is larger than the sum of its proper divisors (248914).

490454 is a wasteful number, since it uses less digits than its factorization.

490454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 490454 is about 700.3242106339. The cubic root of 490454 is about 78.8616925216.

The spelling of 490454 in words is "four hundred ninety thousand, four hundred fifty-four".

Divisors: 1 2 251 502 977 1954 245227 490454