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470255387 = 7292316529
BaseRepresentation
bin11100000001111…
…000011100011011
31012202212110010012
4130001320130123
51430341133022
6114355112135
714440050650
oct3401703433
91182773105
10470255387
112214a0918
121115a264b
137656c434
1446651c27
152b43ede2
hex1c07871b

470255387 has 8 divisors (see below), whose sum is σ = 555967200. Its totient is φ = 389176704.

The previous prime is 470255369. The next prime is 470255437. The reversal of 470255387 is 783552074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 470255387 - 28 = 470255131 is a prime.

It is a super-2 number, since 2×4702553872 = 442280258005039538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470255327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158062 + ... + 1158467.

It is an arithmetic number, because the mean of its divisors is an integer number (69495900).

Almost surely, 2470255387 is an apocalyptic number.

470255387 is a deficient number, since it is larger than the sum of its proper divisors (85711813).

470255387 is a wasteful number, since it uses less digits than its factorization.

470255387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316565.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 470255387 is about 21685.3726507063. The cubic root of 470255387 is about 777.6388089756.

The spelling of 470255387 in words is "four hundred seventy million, two hundred fifty-five thousand, three hundred eighty-seven".

Divisors: 1 7 29 203 2316529 16215703 67179341 470255387