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489423792 = 2431113113631
BaseRepresentation
bin11101001011000…
…000001110110000
31021002221022020010
4131023000032300
52000243030132
6120322014520
715062014344
oct3513001660
91232838203
10489423792
112312a3380
12117aa7440
137a5211a0
1449001624
152ce796cc
hex1d2c03b0

489423792 has 160 divisors (see below), whose sum is σ = 1500903936. Its totient is φ = 135475200.

The previous prime is 489423791. The next prime is 489423839. The reversal of 489423792 is 297324984.

It is a super-3 number, since 3×4894237923 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (489423791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775317 + ... + 775947.

Almost surely, 2489423792 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 489423792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750451968).

489423792 is an abundant number, since it is smaller than the sum of its proper divisors (1011480144).

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

489423792 is a wasteful number, since it uses less digits than its factorization.

489423792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 773 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 489423792 is about 22122.9245806245. The cubic root of 489423792 is about 788.0643698436.

The spelling of 489423792 in words is "four hundred eighty-nine million, four hundred twenty-three thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 66 78 88 104 113 132 143 156 176 208 226 264 286 312 339 429 452 528 572 624 631 678 858 904 1144 1243 1262 1356 1469 1716 1808 1893 2288 2486 2524 2712 2938 3432 3729 3786 4407 4972 5048 5424 5876 6864 6941 7458 7572 8203 8814 9944 10096 11752 13882 14916 15144 16159 16406 17628 19888 20823 23504 24609 27764 29832 30288 32318 32812 35256 41646 48477 49218 55528 59664 64636 65624 70512 71303 83292 90233 96954 98436 111056 129272 131248 142606 166584 180466 193908 196872 213909 258544 270699 285212 333168 360932 387816 393744 427818 541398 570424 721864 775632 784333 855636 926939 1082796 1140848 1443728 1568666 1711272 1853878 2165592 2352999 2780817 3137332 3422544 3707756 4331184 4705998 5561634 6274664 7415512 9411996 10196329 11123268 12549328 14831024 18823992 20392658 22246536 30588987 37647984 40785316 44493072 61177974 81570632 122355948 163141264 244711896 489423792