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2238459690 = 235130757089
BaseRepresentation
bin1000010101101100…
…0010111100101010
312210000001112102110
42011123002330222
514041021202230
61010041543150
7106320410355
oct20533027452
95700045373
102238459690
11a49608995
125257a4ab6
132989a907c
1417340d29c
15d17b74b0
hex856c2f2a

2238459690 has 32 divisors (see below), whose sum is σ = 5376507840. Its totient is φ = 596455424.

The previous prime is 2238459689. The next prime is 2238459701. The reversal of 2238459690 is 969548322.

It is a happy number.

It is a super-2 number, since 2×22384596902 = 10021403567509792200, which contains 22 as substring.

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, 10666 + ... + 67754.

It is an arithmetic number, because the mean of its divisors is an integer number (168015870).

Almost surely, 22238459690 is an apocalyptic number.

2238459690 is an abundant number, since it is smaller than the sum of its proper divisors (3138048150).

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

2238459690 is a wasteful number, since it uses less digits than its factorization.

2238459690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58406.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 2238459690 is about 47312.3629720605. The cubic root of 2238459690 is about 1308.1265472023.

The spelling of 2238459690 in words is "two billion, two hundred thirty-eight million, four hundred fifty-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1307 2614 3921 6535 7842 13070 19605 39210 57089 114178 171267 285445 342534 570890 856335 1712670 74615323 149230646 223845969 373076615 447691938 746153230 1119229845 2238459690