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487402812 = 223313359967
BaseRepresentation
bin11101000011010…
…010110100111100
31020222010121222000
4131003102310330
51444233342222
6120210422300
715035566311
oct3503226474
91228117860
10487402812
11230142a46
12117291990
1379c94340
1448a36d08
152cbca9ac
hex1d0d2d3c

487402812 has 96 divisors (see below), whose sum is σ = 1366041600. Its totient is φ = 149397696.

The previous prime is 487402781. The next prime is 487402837. The reversal of 487402812 is 218204784.

It is a super-2 number, since 2×4874028122 = 475123002291014688, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503553 + ... + 504519.

It is an arithmetic number, because the mean of its divisors is an integer number (14229600).

Almost surely, 2487402812 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 487402812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683020800).

487402812 is an abundant number, since it is smaller than the sum of its proper divisors (878638788).

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

487402812 is a wasteful number, since it uses less digits than its factorization.

487402812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 487402812 is about 22077.2011813092. The cubic root of 487402812 is about 786.9781540424.

The spelling of 487402812 in words is "four hundred eighty-seven million, four hundred two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 234 351 359 468 702 718 967 1077 1404 1436 1934 2154 2901 3231 3868 4308 4667 5802 6462 8703 9334 9693 11604 12571 12924 14001 17406 18668 19386 25142 26109 28002 34812 37713 38772 42003 50284 52218 56004 75426 84006 104436 113139 126009 150852 168012 226278 252018 339417 347153 452556 504036 678834 694306 1041459 1357668 1388612 2082918 3124377 4165836 4512989 6248754 9025978 9373131 12497508 13538967 18051956 18746262 27077934 37492524 40616901 54155868 81233802 121850703 162467604 243701406 487402812