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213030532 = 221113537027
BaseRepresentation
bin11001011001010…
…01011010000100
3112211212001221201
430230221122010
5414013434112
633045552244
75164505161
oct1454513204
9484761851
10213030532
11aa282aa0
125b415684
133519a390
1420415068
1513a80257
hexcb29684

213030532 has 48 divisors (see below), whose sum is σ = 446306112. Its totient is φ = 87684480.

The previous prime is 213030511. The next prime is 213030541. The reversal of 213030532 is 235030312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26803 + ... + 33829.

It is an arithmetic number, because the mean of its divisors is an integer number (9298044).

Almost surely, 2213030532 is an apocalyptic number.

213030532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213030532 is an abundant number, since it is smaller than the sum of its proper divisors (233275580).

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

213030532 is a wasteful number, since it uses less digits than its factorization.

213030532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7108 (or 7106 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 213030532 is about 14595.5654909291. The cubic root of 213030532 is about 597.2377958199.

Adding to 213030532 its reverse (235030312), we get a palindrome (448060844).

The spelling of 213030532 in words is "two hundred thirteen million, thirty thousand, five hundred thirty-two".

Divisors: 1 2 4 11 13 22 26 44 52 53 106 143 212 286 572 583 689 1166 1378 2332 2756 7027 7579 14054 15158 28108 30316 77297 91351 154594 182702 309188 365404 372431 744862 1004861 1489724 2009722 4019444 4096741 4841603 8193482 9683206 16386964 19366412 53257633 106515266 213030532