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481687424 = 2731233521
BaseRepresentation
bin11100101101011…
…111011110000000
31020120101020220222
4130231133132000
51441302444144
6115444122212
714636163341
oct3455373600
91216336828
10481687424
11227999989
12115396368
1378a42a5a
1447d8a0c8
152c44c2ee
hex1cb5f780

481687424 has 64 divisors (see below), whose sum is σ = 996727680. Its totient is φ = 231628800.

The previous prime is 481687421. The next prime is 481687439. The reversal of 481687424 is 424786184.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481687421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924284 + ... + 924804.

It is an arithmetic number, because the mean of its divisors is an integer number (15573870).

Almost surely, 2481687424 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 481687424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498363840).

481687424 is an abundant number, since it is smaller than the sum of its proper divisors (515040256).

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

481687424 is a wasteful number, since it uses less digits than its factorization.

481687424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 787 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 481687424 is about 21947.3785222746. The cubic root of 481687424 is about 783.8899609548.

The spelling of 481687424 in words is "four hundred eighty-one million, six hundred eighty-seven thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 233 248 466 496 521 932 992 1042 1864 1984 2084 3728 3968 4168 7223 7456 8336 14446 14912 16151 16672 28892 29824 32302 33344 57784 64604 66688 115568 121393 129208 231136 242786 258416 462272 485572 516832 924544 971144 1033664 1942288 2067328 3763183 3884576 7526366 7769152 15052732 15538304 30105464 60210928 120421856 240843712 481687424