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497733680 = 2456221671
BaseRepresentation
bin11101101010101…
…101000000110000
31021200120111020202
4131222231000300
52004404434210
6121220054332
715222444413
oct3552550060
91250514222
10497733680
11235a59754
1211a8343a8
137c170692
144a165b7a
152da6b9a5
hex1daad030

497733680 has 20 divisors (see below), whose sum is σ = 1157230992. Its totient is φ = 199093440.

The previous prime is 497733623. The next prime is 497733697. The reversal of 497733680 is 86337794.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3110756 + ... + 3110915.

Almost surely, 2497733680 is an apocalyptic number.

497733680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497733680 is an abundant number, since it is smaller than the sum of its proper divisors (659497312).

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

497733680 is a wasteful number, since it uses less digits than its factorization.

497733680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221684 (or 6221678 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 497733680 is about 22309.9457641654. The cubic root of 497733680 is about 792.4995233306.

The spelling of 497733680 in words is "four hundred ninety-seven million, seven hundred thirty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 6221671 12443342 24886684 31108355 49773368 62216710 99546736 124433420 248866840 497733680