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213473230 = 251091511297
BaseRepresentation
bin11001011100101…
…01011111001110
3112212200120012221
430232111133032
5414122120410
633103245554
75201330635
oct1456253716
9485616187
10213473230
11aa555663
125b5a98ba
13352c3a29
14204cc51c
1513b1b4da
hexcb957ce

213473230 has 32 divisors (see below), whose sum is σ = 390646080. Its totient is φ = 83980800.

The previous prime is 213473219. The next prime is 213473231. The reversal of 213473230 is 32374312.

It is a junction number, because it is equal to n+sod(n) for n = 213473195 and 213473204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213473231) 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 15 ways as a sum of consecutive naturals, for example, 163942 + ... + 165238.

It is an arithmetic number, because the mean of its divisors is an integer number (12207690).

Almost surely, 2213473230 is an apocalyptic number.

213473230 is a deficient number, since it is larger than the sum of its proper divisors (177172850).

213473230 is a wasteful number, since it uses less digits than its factorization.

213473230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 213473230 is about 14610.7231169439. The cubic root of 213473230 is about 597.6512154983.

The spelling of 213473230 in words is "two hundred thirteen million, four hundred seventy-three thousand, two hundred thirty".

Divisors: 1 2 5 10 109 151 218 302 545 755 1090 1297 1510 2594 6485 12970 16459 32918 82295 141373 164590 195847 282746 391694 706865 979235 1413730 1958470 21347323 42694646 106736615 213473230