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487904040 = 2333513193159
BaseRepresentation
bin11101000101001…
…101001100101000
31021000002002112000
4131011031030220
51444400412130
6120225251000
715043054521
oct3505151450
91230062460
10487904040
11230455588
12117493a60
137a10b520
1448b27848
152cc79260
hex1d14d328

487904040 has 512 divisors, whose sum is σ = 1935360000. Its totient is φ = 108241920.

The previous prime is 487904023. The next prime is 487904051. The reversal of 487904040 is 40409784.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 487903986 and 487904004.

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 127 ways as a sum of consecutive naturals, for example, 8269531 + ... + 8269589.

It is an arithmetic number, because the mean of its divisors is an integer number (3780000).

Almost surely, 2487904040 is an apocalyptic number.

487904040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487904040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967680000).

487904040 is an abundant number, since it is smaller than the sum of its proper divisors (1447455960).

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

487904040 is a wasteful number, since it uses less digits than its factorization.

487904040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 487904040 is about 22088.5499750436. The cubic root of 487904040 is about 787.2478285559.

The spelling of 487904040 in words is "four hundred eighty-seven million, nine hundred four thousand, forty".