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232021442 = 21011148621
BaseRepresentation
bin11011101010001…
…01110111000010
3121011120220120202
431311011313002
5433344141232
635005005202
75515102232
oct1565056702
9534526522
10232021442
11109a74164
1265853802
13390b93c3
1422b59cc2
1515582162
hexdd45dc2

232021442 has 8 divisors (see below), whose sum is σ = 351478332. Its totient is φ = 114862000.

The previous prime is 232021417. The next prime is 232021451. The reversal of 232021442 is 244120232.

It can be written as a sum of positive squares in 2 ways, for example, as 151757761 + 80263681 = 12319^2 + 8959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574109 + ... + 574512.

Almost surely, 2232021442 is an apocalyptic number.

232021442 is a deficient number, since it is larger than the sum of its proper divisors (119456890).

232021442 is a wasteful number, since it uses less digits than its factorization.

232021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148724.

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

The square root of 232021442 is about 15232.2500635986. The cubic root of 232021442 is about 614.4822946165.

Adding to 232021442 its reverse (244120232), we get a palindrome (476141674).

The spelling of 232021442 in words is "two hundred thirty-two million, twenty-one thousand, four hundred forty-two".

Divisors: 1 2 101 202 1148621 2297242 116010721 232021442