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470240723 = 1727661219
BaseRepresentation
bin11100000001110…
…100110111010011
31012202211201000002
4130001310313103
51430340200343
6114354520215
714436660131
oct3401646723
91182751002
10470240723
112214908a7
1211159606b
1376565864
144664a751
152b43a8b8
hex1c074dd3

470240723 has 4 divisors (see below), whose sum is σ = 497901960. Its totient is φ = 442579488.

The previous prime is 470240717. The next prime is 470240779. The reversal of 470240723 is 327042074.

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 470240723 - 216 = 470175187 is a prime.

It is a super-2 number, since 2×4702407232 = 442252675135125458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470240623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13830593 + ... + 13830626.

It is an arithmetic number, because the mean of its divisors is an integer number (124475490).

Almost surely, 2470240723 is an apocalyptic number.

470240723 is a deficient number, since it is larger than the sum of its proper divisors (27661237).

470240723 is a wasteful number, since it uses less digits than its factorization.

470240723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27661236.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 470240723 is about 21685.0345399771. The cubic root of 470240723 is about 777.6307258401.

Adding to 470240723 its reverse (327042074), we get a palindrome (797282797).

The spelling of 470240723 in words is "four hundred seventy million, two hundred forty thousand, seven hundred twenty-three".

Divisors: 1 17 27661219 470240723