Search a number
-
+
470212551 = 321916091709
BaseRepresentation
bin11100000001101…
…101111111000111
31012202210021100200
4130001231333013
51430333300201
6114354141543
714436512034
oct3401557707
91182707320
10470212551
11221471716
121115818b3
1376555aa3
144664038b
152b432386
hex1c06dfc7

470212551 has 24 divisors (see below), whose sum is σ = 715806000. Its totient is φ = 296618112.

The previous prime is 470212541. The next prime is 470212573. The reversal of 470212551 is 155212074.

It is not a de Polignac number, because 470212551 - 210 = 470211527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470212531) 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 23 ways as a sum of consecutive naturals, for example, 274285 + ... + 275993.

It is an arithmetic number, because the mean of its divisors is an integer number (29825250).

Almost surely, 2470212551 is an apocalyptic number.

470212551 is a deficient number, since it is larger than the sum of its proper divisors (245593449).

470212551 is a wasteful number, since it uses less digits than its factorization.

470212551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 470212551 is about 21684.3849578447. The cubic root of 470212551 is about 777.6151963115.

The spelling of 470212551 in words is "four hundred seventy million, two hundred twelve thousand, five hundred fifty-one".

Divisors: 1 3 9 19 57 171 1609 1709 4827 5127 14481 15381 30571 32471 91713 97413 275139 292239 2749781 8249343 24748029 52245839 156737517 470212551