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480438 = 23373141
BaseRepresentation
bin1110101010010110110
3220102001000
41311102312
5110333223
614144130
74040460
oct1652266
9812030
10480438
112a8a62
121b2046
1313a8aa
14c7130
1597543
hex754b6

480438 has 64 divisors (see below), whose sum is σ = 1290240. Its totient is φ = 129600.

The previous prime is 480427. The next prime is 480449. The reversal of 480438 is 834084.

It is an interprime number because it is at equal distance from previous prime (480427) and next prime (480449).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 480438.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11698 + ... + 11738.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2480438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 480438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645120).

480438 is an abundant number, since it is smaller than the sum of its proper divisors (809802).

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

480438 is a wasteful number, since it uses less digits than its factorization.

480438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 480438 is about 693.1363502227. The cubic root of 480438 is about 78.3211610280.

The spelling of 480438 in words is "four hundred eighty thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 31 41 42 54 62 63 82 93 123 126 186 189 217 246 279 287 369 378 434 558 574 651 738 837 861 1107 1271 1302 1674 1722 1953 2214 2542 2583 3813 3906 5166 5859 7626 7749 8897 11439 11718 15498 17794 22878 26691 34317 53382 68634 80073 160146 240219 480438