Search a number
-
+
470912 = 2713283
BaseRepresentation
bin1110010111110000000
3212220222012
41302332000
5110032122
614032052
74000631
oct1627600
9786865
10470912
112a1892
121a8628
13136460
14c3888
15947e2
hex72f80

470912 has 32 divisors (see below), whose sum is σ = 1013880. Its totient is φ = 216576.

The previous prime is 470903. The next prime is 470927. The reversal of 470912 is 219074.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×4709122 = 443516223488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523 + ... + 1805.

2470912 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 470912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506940).

470912 is an abundant number, since it is smaller than the sum of its proper divisors (542968).

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

470912 is a wasteful number, since it uses less digits than its factorization.

470912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 470912 is about 686.2302820482. The cubic root of 470912 is about 77.8000577139.

Adding to 470912 its sum of digits (23), we get a triangular number (470935 = T970).

Adding to 470912 its reverse (219074), we get a palindrome (689986).

The spelling of 470912 in words is "four hundred seventy thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 283 416 566 832 1132 1664 2264 3679 4528 7358 9056 14716 18112 29432 36224 58864 117728 235456 470912