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557003040 = 253511314183
BaseRepresentation
bin100001001100110…
…011000100100000
31102211002200112020
4201030303010200
52120043044130
6131134301440
716542306366
oct4114630440
91384080466
10557003040
112664606a0
12136657880
138b522bc9
1453d93636
1533d77e10
hex21333120

557003040 has 384 divisors, whose sum is σ = 2048385024. Its totient is φ = 125952000.

The previous prime is 557003033. The next prime is 557003053. The reversal of 557003040 is 40300755.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 557003040.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6710839 + ... + 6710921.

It is an arithmetic number, because the mean of its divisors is an integer number (5334336).

Almost surely, 2557003040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557003040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024192512).

557003040 is an abundant number, since it is smaller than the sum of its proper divisors (1491381984).

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

557003040 is a wasteful number, since it uses less digits than its factorization.

557003040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 557003040 is about 23600.9118467910. The cubic root of 557003040 is about 822.7840329941.

Adding to 557003040 its reverse (40300755), we get a palindrome (597303795).

The spelling of 557003040 in words is "five hundred fifty-seven million, three thousand, forty".