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30213230 = 2519159017
BaseRepresentation
bin111001101000…
…0010001101110
32002211222202112
41303100101232
530213310410
62555324022
7514544135
oct163202156
962758675
1030213230
1116066713
12a150612
13634b068
14402691c
1529bc105
hex1cd046e

30213230 has 16 divisors (see below), whose sum is σ = 57246480. Its totient is φ = 11449152.

The previous prime is 30213217. The next prime is 30213247. The reversal of 30213230 is 3231203.

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, 79319 + ... + 79698.

It is an arithmetic number, because the mean of its divisors is an integer number (3577905).

Almost surely, 230213230 is an apocalyptic number.

30213230 is a deficient number, since it is larger than the sum of its proper divisors (27033250).

30213230 is a wasteful number, since it uses less digits than its factorization.

30213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159043.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30213230 is about 5496.6562563071. The cubic root of 30213230 is about 311.4576857243.

Adding to 30213230 its reverse (3231203), we get a palindrome (33444433).

The spelling of 30213230 in words is "thirty million, two hundred thirteen thousand, two hundred thirty".