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213420696 = 23343206803
BaseRepresentation
bin11001011100010…
…00101010011000
3112212120220011020
430232020222120
5414113430241
633102202440
75201021526
oct1456105230
9485526136
10213420696
11aa51a145
125b583420
13352a5b48
14204b7316
1513b0ab66
hexcb88a98

213420696 has 32 divisors (see below), whose sum is σ = 545962560. Its totient is φ = 69485472.

The previous prime is 213420689. The next prime is 213420719. The reversal of 213420696 is 696024312.

It is a super-2 number, since 2×2134206962 = 91096786962248832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102370 + ... + 104433.

It is an arithmetic number, because the mean of its divisors is an integer number (17061330).

Almost surely, 2213420696 is an apocalyptic number.

It is an amenable number.

213420696 is an abundant number, since it is smaller than the sum of its proper divisors (332541864).

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

213420696 is a wasteful number, since it uses less digits than its factorization.

213420696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206855 (or 206851 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 213420696 is about 14608.9252171404. The cubic root of 213420696 is about 597.6021857990.

The spelling of 213420696 in words is "two hundred thirteen million, four hundred twenty thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 206803 413606 620409 827212 1240818 1654424 2481636 4963272 8892529 17785058 26677587 35570116 53355174 71140232 106710348 213420696