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213314052 = 223722315773
BaseRepresentation
bin11001011011011…
…10101000000100
3112212101110212110
430231232220010
5414102022202
633100021020
75200065600
oct1455565004
9485343773
10213314052
11aa457006
125b531770
1335269443
142048a500
1513ad926c
hexcb6ea04

213314052 has 72 divisors (see below), whose sum is σ = 604207296. Its totient is φ = 58293312.

The previous prime is 213314027. The next prime is 213314071. The reversal of 213314052 is 250413312.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 23 ways as a sum of consecutive naturals, for example, 5638 + ... + 21410.

It is an arithmetic number, because the mean of its divisors is an integer number (8391768).

Almost surely, 2213314052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213314052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302103648).

213314052 is an abundant number, since it is smaller than the sum of its proper divisors (390893244).

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

213314052 is a wasteful number, since it uses less digits than its factorization.

213314052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15817 (or 15808 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 213314052 is about 14605.2748005643. The cubic root of 213314052 is about 597.5026307780.

Adding to 213314052 its reverse (250413312), we get a palindrome (463727364).

The spelling of 213314052 in words is "two hundred thirteen million, three hundred fourteen thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 49 69 84 92 98 138 147 161 196 276 294 322 483 588 644 966 1127 1932 2254 3381 4508 6762 13524 15773 31546 47319 63092 94638 110411 189276 220822 331233 362779 441644 662466 725558 772877 1088337 1324932 1451116 1545754 2176674 2318631 2539453 3091508 4353348 4637262 5078906 7618359 9274524 10157812 15236718 17776171 30473436 35552342 53328513 71104684 106657026 213314052