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470347261 = 1921302901
BaseRepresentation
bin11100000010001…
…110110111111101
31012210001010010221
4130002032313331
51430402103021
6114401101341
714440612546
oct3402166775
91183033127
10470347261
1122155394a
12111627851
13765a21b7
14466774cd
152b45c241
hex1c08edfd

470347261 has 6 divisors (see below), whose sum is σ = 496405662. Its totient is φ = 445591800.

The previous prime is 470347253. The next prime is 470347301. The reversal of 470347261 is 162743074.

It can be written as a sum of positive squares in only one way, i.e., 397244761 + 73102500 = 19931^2 + 8550^2 .

It is not a de Polignac number, because 470347261 - 23 = 470347253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470347231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651090 + ... + 651811.

It is an arithmetic number, because the mean of its divisors is an integer number (82734277).

Almost surely, 2470347261 is an apocalyptic number.

It is an amenable number.

470347261 is a deficient number, since it is larger than the sum of its proper divisors (26058401).

470347261 is a wasteful number, since it uses less digits than its factorization.

470347261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302939 (or 1302920 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 470347261 is about 21687.4908876062. The cubic root of 470347261 is about 777.6894482223.

The spelling of 470347261 in words is "four hundred seventy million, three hundred forty-seven thousand, two hundred sixty-one".

Divisors: 1 19 361 1302901 24755119 470347261