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481806 = 232132971
BaseRepresentation
bin1110101101000001110
3220110220200
41311220032
5110404211
614154330
74044453
oct1655016
9813820
10481806
112a9a96
121b29a6
1313b3c0
14c782a
1597b56
hex75a0e

481806 has 48 divisors (see below), whose sum is σ = 1179360. Its totient is φ = 141120.

The previous prime is 481801. The next prime is 481807. The reversal of 481806 is 608184.

It is a self number, because there is not a number n which added to its sum of digits gives 481806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481801) by changing a digit.

481806 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6751 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

2481806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589680).

481806 is an abundant number, since it is smaller than the sum of its proper divisors (697554).

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

481806 is a wasteful number, since it uses less digits than its factorization.

481806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 481806 is about 694.1224675805. The cubic root of 481806 is about 78.3954278536.

It can be divided in two parts, 4 and 81806, that added together give a triangular number (81810 = T404).

The spelling of 481806 in words is "four hundred eighty-one thousand, eight hundred six".

Divisors: 1 2 3 6 9 13 18 26 29 39 58 71 78 87 117 142 174 213 234 261 377 426 522 639 754 923 1131 1278 1846 2059 2262 2769 3393 4118 5538 6177 6786 8307 12354 16614 18531 26767 37062 53534 80301 160602 240903 481806