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489973104 = 24333136587
BaseRepresentation
bin11101001101000…
…110010101110000
31021010222012202000
4131031012111300
52000413114404
6120341454000
715066463005
oct3515062560
91233865660
10489973104
11231639055
12118111300
137a68421a
14491058ac
152d037339
hex1d346570

489973104 has 80 divisors (see below), whose sum is σ = 1451811840. Its totient is φ = 158051520.

The previous prime is 489973103. The next prime is 489973123. The reversal of 489973104 is 401379984.

It is a self number, because there is not a number n which added to its sum of digits gives 489973104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489973103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4902 + ... + 31685.

It is an arithmetic number, because the mean of its divisors is an integer number (18147648).

Almost surely, 2489973104 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 489973104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725905920).

489973104 is an abundant number, since it is smaller than the sum of its proper divisors (961838736).

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

489973104 is a wasteful number, since it uses less digits than its factorization.

489973104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36635 (or 36623 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 489973104 is about 22135.3360941279. The cubic root of 489973104 is about 788.3590914928.

The spelling of 489973104 in words is "four hundred eighty-nine million, nine hundred seventy-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 62 72 93 108 124 144 186 216 248 279 372 432 496 558 744 837 1116 1488 1674 2232 3348 4464 6696 13392 36587 73174 109761 146348 219522 292696 329283 439044 585392 658566 878088 987849 1134197 1317132 1756176 1975698 2268394 2634264 3402591 3951396 4536788 5268528 6805182 7902792 9073576 10207773 13610364 15805584 18147152 20415546 27220728 30623319 40831092 54441456 61246638 81662184 122493276 163324368 244986552 489973104