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213475470 = 23513547373
BaseRepresentation
bin11001011100101…
…10000010001110
3112212200200021220
430232112002032
5414122203340
633103304210
75201340315
oct1456260216
9485620256
10213475470
11aa55730a
125b5ab066
13352c4a60
14204cd27c
1513b1bed0
hexcb9608e

213475470 has 32 divisors (see below), whose sum is σ = 551752992. Its totient is φ = 52547712.

The previous prime is 213475453. The next prime is 213475481. The reversal of 213475470 is 74574312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273297 + ... + 274076.

It is an arithmetic number, because the mean of its divisors is an integer number (17242281).

Almost surely, 2213475470 is an apocalyptic number.

213475470 is an abundant number, since it is smaller than the sum of its proper divisors (338277522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213475470 is a wasteful number, since it uses less digits than its factorization.

213475470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547396.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 213475470 is about 14610.7997727708. The cubic root of 213475470 is about 597.6533058995.

The spelling of 213475470 in words is "two hundred thirteen million, four hundred seventy-five thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 547373 1094746 1642119 2736865 3284238 5473730 7115849 8210595 14231698 16421190 21347547 35579245 42695094 71158490 106737735 213475470