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213502030 = 2573050029
BaseRepresentation
bin11001011100111…
…00100001001110
3112212202000201121
430232130201032
5414124031110
633104031154
75201510620
oct1456344116
9485660647
10213502030
11aa575265
125b6024ba
1335303b81
14204d8c10
1513b24cda
hexcb9c84e

213502030 has 16 divisors (see below), whose sum is σ = 439204320. Its totient is φ = 73200672.

The previous prime is 213502027. The next prime is 213502043. The reversal of 213502030 is 30205312.

213502030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213501995 and 213502013.

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, 1524945 + ... + 1525084.

It is an arithmetic number, because the mean of its divisors is an integer number (27450270).

Almost surely, 2213502030 is an apocalyptic number.

213502030 is an abundant number, since it is smaller than the sum of its proper divisors (225702290).

213502030 is a wasteful number, since it uses less digits than its factorization.

213502030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050043.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 213502030 is about 14611.7086612073. The cubic root of 213502030 is about 597.6780909697.

Adding to 213502030 its reverse (30205312), we get a palindrome (243707342).

The spelling of 213502030 in words is "two hundred thirteen million, five hundred two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 3050029 6100058 15250145 21350203 30500290 42700406 106751015 213502030