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481809552 = 243721271613
BaseRepresentation
bin11100101101111…
…101010010010000
31020120121110110020
4130231331102100
51441320401202
6115450503440
714640212400
oct3455752220
91216543406
10481809552
11227a72714
12115434b80
1378a86513
1447dbc800
152c4735bc
hex1cb7d490

481809552 has 120 divisors (see below), whose sum is σ = 1460192256. Its totient is φ = 136491264.

The previous prime is 481809527. The next prime is 481809553. The reversal of 481809552 is 255908184.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (481809553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297898 + ... + 299510.

Almost surely, 2481809552 is an apocalyptic number.

481809552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481809552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730096128).

481809552 is an abundant number, since it is smaller than the sum of its proper divisors (978382704).

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

481809552 is a wasteful number, since it uses less digits than its factorization.

481809552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 481809552 is about 21950.1606372254. The cubic root of 481809552 is about 783.9562050366.

The spelling of 481809552 in words is "four hundred eighty-one million, eight hundred nine thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 127 147 168 196 254 294 336 381 392 508 588 762 784 889 1016 1176 1524 1613 1778 2032 2352 2667 3048 3226 3556 4839 5334 6096 6223 6452 7112 9678 10668 11291 12446 12904 14224 18669 19356 21336 22582 24892 25808 33873 37338 38712 42672 45164 49784 67746 74676 77424 79037 90328 99568 135492 149352 158074 180656 204851 237111 270984 298704 316148 409702 474222 541968 614553 632296 819404 948444 1229106 1264592 1433957 1638808 1896888 2458212 2867914 3277616 3793776 4301871 4916424 5735828 8603742 9832848 10037699 11471656 17207484 20075398 22943312 30113097 34414968 40150796 60226194 68829936 80301592 120452388 160603184 240904776 481809552