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232142330 = 25719317183
BaseRepresentation
bin11011101011000…
…11010111111010
3121011211001102002
431311203113322
5433412023310
635011341002
75516114540
oct1565432772
9534731362
10232142330
1110a046a72
12658b1762
133912c434
1422b8bd90
15155a7da5
hexdd635fa

232142330 has 32 divisors (see below), whose sum is σ = 480052224. Its totient is φ = 79174656.

The previous prime is 232142321. The next prime is 232142357. The reversal of 232142330 is 33241232.

It is a super-2 number, since 2×2321423302 = 107780122755657800, which contains 22 as substring.

It is a Curzon number.

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, 4919 + ... + 22101.

It is an arithmetic number, because the mean of its divisors is an integer number (15001632).

Almost surely, 2232142330 is an apocalyptic number.

232142330 is an abundant number, since it is smaller than the sum of its proper divisors (247909894).

232142330 is a wasteful number, since it uses less digits than its factorization.

232142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17390.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 232142330 is about 15236.2177065045. The cubic root of 232142330 is about 614.5889954421.

Adding to 232142330 its reverse (33241232), we get a palindrome (265383562).

The spelling of 232142330 in words is "two hundred thirty-two million, one hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 193 386 965 1351 1930 2702 6755 13510 17183 34366 85915 120281 171830 240562 601405 1202810 3316319 6632638 16581595 23214233 33163190 46428466 116071165 232142330