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52431000 = 2335317477
BaseRepresentation
bin1100100000000…
…0100010011000
310122122202210220
43020000202120
5101410243000
65111440040
71204441026
oct310004230
9118582726
1052431000
1127661206
1215686020
13ab29a7b
146d6b716
15490a1a0
hex3200898

52431000 has 64 divisors (see below), whose sum is σ = 163594080. Its totient is φ = 13980800.

The previous prime is 52430993. The next prime is 52431011. The reversal of 52431000 is 13425.

It is a super-2 number, since 2×524310002 = 5498019522000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5739 + ... + 11738.

Almost surely, 252431000 is an apocalyptic number.

52431000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52431000 is an abundant number, since it is smaller than the sum of its proper divisors (111163080).

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

52431000 is a wasteful number, since it uses less digits than its factorization.

52431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17501 (or 17487 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 52431000 is about 7240.9253552291. The cubic root of 52431000 is about 374.2795054758.

Adding to 52431000 its reverse (13425), we get a palindrome (52444425).

The spelling of 52431000 in words is "fifty-two million, four hundred thirty-one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 17477 34954 52431 69908 87385 104862 139816 174770 209724 262155 349540 419448 436925 524310 699080 873850 1048620 1310775 1747700 2097240 2184625 2621550 3495400 4369250 5243100 6553875 8738500 10486200 13107750 17477000 26215500 52431000