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487569972 = 22350380777
BaseRepresentation
bin11101000011111…
…011101000110100
31020222110010021010
4131003323220310
51444304214342
6120214152220
715040163541
oct3503735064
91228403233
10487569972
1123024759a
12117352670
137a022456
1448a7bbc8
152cc1029c
hex1d0fba34

487569972 has 24 divisors (see below), whose sum is σ = 1139939136. Its totient is φ = 162198208.

The previous prime is 487569961. The next prime is 487569983. The reversal of 487569972 is 279965784.

It is an interprime number because it is at equal distance from previous prime (487569961) and next prime (487569983).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34353 + ... + 46424.

It is an arithmetic number, because the mean of its divisors is an integer number (47497464).

Almost surely, 2487569972 is an apocalyptic number.

It is an amenable number.

487569972 is an abundant number, since it is smaller than the sum of its proper divisors (652369164).

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

487569972 is a wasteful number, since it uses less digits than its factorization.

487569972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81287 (or 81285 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The square root of 487569972 is about 22080.9866627377. The cubic root of 487569972 is about 787.0681112803.

It can be divided in two parts, 4875 and 69972, that added together give a palindrome (74847).

The spelling of 487569972 in words is "four hundred eighty-seven million, five hundred sixty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 503 1006 1509 2012 3018 6036 80777 161554 242331 323108 484662 969324 40630831 81261662 121892493 162523324 243784986 487569972