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487042944 = 2731268341
BaseRepresentation
bin11101000001111…
…010111110000000
31020221110100022120
4131001322332000
51444140333234
6120155004240
715032540163
oct3501727600
91227410276
10487042944
1122aa17633
12117139680
1379b995bb
1448981ada
152cb59049
hex1d07af80

487042944 has 32 divisors (see below), whose sum is σ = 1293708840. Its totient is φ = 162347520.

The previous prime is 487042943. The next prime is 487042957. The reversal of 487042944 is 449240784.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 487042896 and 487042905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487042943) 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, 633787 + ... + 634554.

Almost surely, 2487042944 is an apocalyptic number.

It is an amenable number.

487042944 is an abundant number, since it is smaller than the sum of its proper divisors (806665896).

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

487042944 is a wasteful number, since it uses less digits than its factorization.

487042944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268358 (or 1268346 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 487042944 is about 22069.0494584611. The cubic root of 487042944 is about 786.7844210717.

The spelling of 487042944 in words is "four hundred eighty-seven million, forty-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 1268341 2536682 3805023 5073364 7610046 10146728 15220092 20293456 30440184 40586912 60880368 81173824 121760736 162347648 243521472 487042944