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470380 = 22529811
BaseRepresentation
bin1110010110101101100
3212220020111
41302311230
5110023010
614025404
73666241
oct1626554
9786214
10470380
112a1449
121a8264
13136141
14c35c8
159458a
hex72d6c

470380 has 24 divisors (see below), whose sum is σ = 1023120. Its totient is φ = 181440.

The previous prime is 470359. The next prime is 470389. The reversal of 470380 is 83074.

It is not an unprimeable number, because it can be changed into a prime (470389) 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, 175 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (42630).

2470380 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 470380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511560).

470380 is an abundant number, since it is smaller than the sum of its proper divisors (552740).

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

470380 is a wasteful number, since it uses less digits than its factorization.

470380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 470380 is about 685.8425475282. The cubic root of 470380 is about 77.7707491759.

The spelling of 470380 in words is "four hundred seventy thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 811 1622 3244 4055 8110 16220 23519 47038 94076 117595 235190 470380