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213486402 = 23157226631
BaseRepresentation
bin11001011100110…
…00101101000010
3112212201020021210
430232120231002
5414123031102
633103430550
75201414223
oct1456305502
9485636253
10213486402
11aa564548
125b5b5456
13352c9a1c
14204d324a
1513b2036c
hexcb98b42

213486402 has 16 divisors (see below), whose sum is σ = 429694272. Its totient is φ = 70708560.

The previous prime is 213486401. The next prime is 213486409. The reversal of 213486402 is 204684312.

It is a super-3 number, since 3×2134864023 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213486402.

It is not an unprimeable number, because it can be changed into a prime (213486401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 112374 + ... + 114257.

It is an arithmetic number, because the mean of its divisors is an integer number (26855892).

Almost surely, 2213486402 is an apocalyptic number.

213486402 is an abundant number, since it is smaller than the sum of its proper divisors (216207870).

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

213486402 is a wasteful number, since it uses less digits than its factorization.

213486402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226793.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 213486402 is about 14611.1738748124. The cubic root of 213486402 is about 597.6635075937.

The spelling of 213486402 in words is "two hundred thirteen million, four hundred eighty-six thousand, four hundred two".

Divisors: 1 2 3 6 157 314 471 942 226631 453262 679893 1359786 35581067 71162134 106743201 213486402