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497380 = 225131913
BaseRepresentation
bin1111001011011100100
3221021021111
41321123210
5111404010
614354404
74141042
oct1713344
9837244
10497380
1130a764
121bba04
13145510
14cd392
159c58a
hex796e4

497380 has 24 divisors (see below), whose sum is σ = 1125432. Its totient is φ = 183552.

The previous prime is 497351. The next prime is 497389. The reversal of 497380 is 83794.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53824 + 443556 = 232^2 + 666^2 .

It is not an unprimeable number, because it can be changed into a prime (497389) by changing a digit.

497380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (46893).

2497380 is an apocalyptic number.

It is an amenable number.

497380 is an abundant number, since it is smaller than the sum of its proper divisors (628052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497380 is a wasteful number, since it uses less digits than its factorization.

497380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 497380 is about 705.2517281085. The cubic root of 497380 is about 79.2311767201.

The spelling of 497380 in words is "four hundred ninety-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1913 3826 7652 9565 19130 24869 38260 49738 99476 124345 248690 497380