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478828 = 2273349
BaseRepresentation
bin1110100111001101100
3220022211101
41310321230
5110310303
614132444
74033000
oct1647154
9808741
10478828
112a7829
121b1124
13139c3c
14c6700
1596d1d
hex74e6c

478828 has 24 divisors (see below), whose sum is σ = 980000. Its totient is φ = 204624.

The previous prime is 478823. The next prime is 478831. The reversal of 478828 is 828874.

It is not an unprimeable number, because it can be changed into a prime (478823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1198 + ... + 1546.

2478828 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 478828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490000).

478828 is an abundant number, since it is smaller than the sum of its proper divisors (501172).

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

478828 is a wasteful number, since it uses less digits than its factorization.

478828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 358 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 478828 is about 691.9739879504. The cubic root of 478828 is about 78.2335755421.

The spelling of 478828 in words is "four hundred seventy-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 343 349 686 698 1372 1396 2443 4886 9772 17101 34202 68404 119707 239414 478828