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213113214 = 2333946541
BaseRepresentation
bin11001011001111…
…01100101111110
3112212000021101000
430230331211332
5414024110324
633051431130
75165301216
oct1454754576
9485007330
10213113214
11aa32a126
125b4554a6
13351c8bc2
1420437246
1513a999c9
hexcb3d97e

213113214 has 16 divisors (see below), whose sum is σ = 473585040. Its totient is φ = 71037720.

The previous prime is 213113179. The next prime is 213113231. The reversal of 213113214 is 412311312.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1973217 + ... + 1973324.

It is an arithmetic number, because the mean of its divisors is an integer number (29599065).

Almost surely, 2213113214 is an apocalyptic number.

213113214 is an abundant number, since it is smaller than the sum of its proper divisors (260471826).

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

213113214 is a wasteful number, since it uses less digits than its factorization.

213113214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946552 (or 3946546 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 213113214 is about 14598.3976517973. The cubic root of 213113214 is about 597.3150530214.

Adding to 213113214 its reverse (412311312), we get a palindrome (625424526).

The spelling of 213113214 in words is "two hundred thirteen million, one hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 3946541 7893082 11839623 23679246 35518869 71037738 106556607 213113214