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502997040 = 24345713853
BaseRepresentation
bin11101111110110…
…010000000110000
31022001110220020000
4131332302000300
52012231401130
6121524550000
715315255450
oct3576620060
91261426200
10502997040
11238a24137
12120552300
13802942b0
144ab35d60
152e25b260
hex1dfb2030

502997040 has 400 divisors, whose sum is σ = 2152653888. Its totient is φ = 106002432.

The previous prime is 502997017. The next prime is 502997057. The reversal of 502997040 is 40799205.

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 = 502996986 and 502997004.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 589254 + ... + 590106.

Almost surely, 2502997040 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 502997040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076326944).

502997040 is an abundant number, since it is smaller than the sum of its proper divisors (1649656848).

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

502997040 is a wasteful number, since it uses less digits than its factorization.

502997040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 502997040 is about 22427.5955019703. The cubic root of 502997040 is about 795.2832027695.

The spelling of 502997040 in words is "five hundred two million, nine hundred ninety-seven thousand, forty".