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470723 = 1142793
BaseRepresentation
bin1110010111011000011
3212220201012
41302323003
5110030343
614031135
74000241
oct1627303
9786635
10470723
112a1730
121a84ab
13136346
14c3791
1594718
hex72ec3

470723 has 4 divisors (see below), whose sum is σ = 513528. Its totient is φ = 427920.

The previous prime is 470719. The next prime is 470731. The reversal of 470723 is 327074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 470723 - 22 = 470719 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470783) 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 3 ways as a sum of consecutive naturals, for example, 21386 + ... + 21407.

It is an arithmetic number, because the mean of its divisors is an integer number (128382).

2470723 is an apocalyptic number.

470723 is a deficient number, since it is larger than the sum of its proper divisors (42805).

470723 is a wasteful number, since it uses less digits than its factorization.

470723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42804.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 470723 is about 686.0925593533. The cubic root of 470723 is about 77.7896479993.

Adding to 470723 its reverse (327074), we get a palindrome (797797).

The spelling of 470723 in words is "four hundred seventy thousand, seven hundred twenty-three", and thus it is an iban number.

Divisors: 1 11 42793 470723