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489772 = 22122443
BaseRepresentation
bin1110111100100101100
3220212211201
41313210230
5111133042
614255244
74106623
oct1674454
9825751
10489772
11304a78
121b7524
13141c0a
14ca6ba
159a1b7
hex7792c

489772 has 6 divisors (see below), whose sum is σ = 857108. Its totient is φ = 244884.

The previous prime is 489761. The next prime is 489791. The reversal of 489772 is 277984.

It is a happy number.

It is a super-2 number, since 2×4897722 = 479753223968, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 61218 + ... + 61225.

2489772 is an apocalyptic number.

It is an amenable number.

489772 is a deficient number, since it is larger than the sum of its proper divisors (367336).

489772 is a wasteful number, since it uses less digits than its factorization.

489772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122447 (or 122445 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 489772 is about 699.8371239081. The cubic root of 489772 is about 78.8251218999.

The spelling of 489772 in words is "four hundred eighty-nine thousand, seven hundred seventy-two".

Divisors: 1 2 4 122443 244886 489772