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481890912 = 25329179967
BaseRepresentation
bin11100101110010…
…001001001100000
31020120202121001120
4130232101021200
51441331002122
6115452332240
714641001526
oct3456211140
91216677046
10481890912
11228018858
12115474080
1378ab4569
1448000316
152c48c75c
hex1cb91260

481890912 has 96 divisors (see below), whose sum is σ = 1317254400. Its totient is φ = 154065408.

The previous prime is 481890889. The next prime is 481890931. The reversal of 481890912 is 219098184.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497853 + ... + 498819.

It is an arithmetic number, because the mean of its divisors is an integer number (13721400).

Almost surely, 2481890912 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 481890912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658627200).

481890912 is an abundant number, since it is smaller than the sum of its proper divisors (835363488).

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

481890912 is a wasteful number, since it uses less digits than its factorization.

481890912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 481890912 is about 21952.0138483921. The cubic root of 481890912 is about 784.0003297236. Note that the first 3 decimals are identical.

The spelling of 481890912 in words is "four hundred eighty-one million, eight hundred ninety thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 87 96 116 174 179 232 348 358 464 537 696 716 928 967 1074 1392 1432 1934 2148 2784 2864 2901 3868 4296 5191 5728 5802 7736 8592 10382 11604 15472 15573 17184 20764 23208 28043 30944 31146 41528 46416 56086 62292 83056 84129 92832 112172 124584 166112 168258 173093 224344 249168 336516 346186 448688 498336 519279 673032 692372 897376 1038558 1346064 1384744 2077116 2692128 2769488 4154232 5019697 5538976 8308464 10039394 15059091 16616928 20078788 30118182 40157576 60236364 80315152 120472728 160630304 240945456 481890912