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470613 = 311131097
BaseRepresentation
bin1110010111001010101
3212220120010
41302321111
5110024423
614030433
74000023
oct1627125
9786503
10470613
112a1640
121a8419
13136290
14c3713
1594693
hex72e55

470613 has 16 divisors (see below), whose sum is σ = 737856. Its totient is φ = 263040.

The previous prime is 470609. The next prime is 470621. The reversal of 470613 is 316074.

470613 = T287 + T288 + ... + T297.

It is not a de Polignac number, because 470613 - 22 = 470609 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 470613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470653) 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 15 ways as a sum of consecutive naturals, for example, 120 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (46116).

2470613 is an apocalyptic number.

It is an amenable number.

470613 is a deficient number, since it is larger than the sum of its proper divisors (267243).

470613 is a wasteful number, since it uses less digits than its factorization.

470613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 470613 is about 686.0123905587. The cubic root of 470613 is about 77.7835881525.

Adding to 470613 its reverse (316074), we get a palindrome (786687).

The spelling of 470613 in words is "four hundred seventy thousand, six hundred thirteen".

Divisors: 1 3 11 13 33 39 143 429 1097 3291 12067 14261 36201 42783 156871 470613