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481018642 = 21323241853
BaseRepresentation
bin11100101010111…
…100001100010010
31020112010021112021
4130222330030102
51441120044032
6115421522054
714630406466
oct3452741422
91215107467
10481018642
11227582475
1211511332a
137886a520
1447c544a6
152c369097
hex1cabc312

481018642 has 48 divisors (see below), whose sum is σ = 833070168. Its totient is φ = 206933760.

The previous prime is 481018631. The next prime is 481018651. The reversal of 481018642 is 246810184.

It can be written as a sum of positive squares in 4 ways, for example, as 83375161 + 397643481 = 9131^2 + 19941^2 .

It is a super-3 number, since 3×4810186423 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 481018598 and 481018607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563488 + ... + 564340.

Almost surely, 2481018642 is an apocalyptic number.

481018642 is a deficient number, since it is larger than the sum of its proper divisors (352051526).

481018642 is a wasteful number, since it uses less digits than its factorization.

481018642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 481018642 is about 21932.1371963610. The cubic root of 481018642 is about 783.5270047559.

The spelling of 481018642 in words is "four hundred eighty-one million, eighteen thousand, six hundred forty-two".

Divisors: 1 2 13 23 26 41 46 82 299 529 533 598 853 943 1058 1066 1706 1886 6877 11089 12259 13754 19619 21689 22178 24518 34973 39238 43378 69946 255047 281957 451237 454649 510094 563914 804379 902474 909298 1608758 5866081 10456927 11732162 18500717 20913854 37001434 240509321 481018642