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232221242 = 21143245477
BaseRepresentation
bin11011101011101…
…10101000111010
3121011222001122202
431311312220322
5433422034432
635013150202
75516563601
oct1565665072
9534861582
10232221242
1110a0a0290
126592b362
1339159326
1422baca38
15155c1462
hexdd76a3a

232221242 has 16 divisors (see below), whose sum is σ = 388837152. Its totient is φ = 103099920.

The previous prime is 232221233. The next prime is 232221257. The reversal of 232221242 is 242122232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121793 + ... + 123684.

It is an arithmetic number, because the mean of its divisors is an integer number (24302322).

Almost surely, 2232221242 is an apocalyptic number.

232221242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

232221242 is a deficient number, since it is larger than the sum of its proper divisors (156615910).

232221242 is a wasteful number, since it uses less digits than its factorization.

232221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245533.

The product of its digits is 768, while the sum is 20.

The square root of 232221242 is about 15238.8071055447. The cubic root of 232221242 is about 614.6586265064.

Adding to 232221242 its reverse (242122232), we get a palindrome (474343474).

The spelling of 232221242 in words is "two hundred thirty-two million, two hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 11 22 43 86 473 946 245477 490954 2700247 5400494 10555511 21111022 116110621 232221242