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213084030 = 2357102801
BaseRepresentation
bin11001011001101…
…10011101111110
3112211221210100010
430230312131332
5414022142110
633051044050
75165120145
oct1454663576
9484853303
10213084030
11aa30a205
125b440626
13351b8833
142042a75c
1513a91020
hexcb3677e

213084030 has 16 divisors (see below), whose sum is σ = 511401744. Its totient is φ = 56822400.

The previous prime is 213084017. The next prime is 213084037. The reversal of 213084030 is 30480312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213083988 and 213084006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213084037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551371 + ... + 3551430.

It is an arithmetic number, because the mean of its divisors is an integer number (31962609).

Almost surely, 2213084030 is an apocalyptic number.

213084030 is an abundant number, since it is smaller than the sum of its proper divisors (298317714).

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

213084030 is a wasteful number, since it uses less digits than its factorization.

213084030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102811.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 213084030 is about 14597.3980558180. The cubic root of 213084030 is about 597.2877860773.

The spelling of 213084030 in words is "two hundred thirteen million, eighty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 7102801 14205602 21308403 35514005 42616806 71028010 106542015 213084030