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83445230 = 2511268963
BaseRepresentation
bin1001111100101…
…00010111101110
312211000110100002
410332110113232
5132330221410
612140304302
72032162361
oct476242756
9184013302
1083445230
1143114700
1223b42092
131439859b
14b1220d8
1574d47a5
hex4f945ee

83445230 has 24 divisors (see below), whose sum is σ = 165099816. Its totient is φ = 30343280.

The previous prime is 83445227. The next prime is 83445239. The reversal of 83445230 is 3254438.

83445230 = 52732 + 52742 + 52752.

It is a junction number, because it is equal to n+sod(n) for n = 83445193 and 83445202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83445239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33272 + ... + 35691.

It is an arithmetic number, because the mean of its divisors is an integer number (6879159).

Almost surely, 283445230 is an apocalyptic number.

83445230 is a deficient number, since it is larger than the sum of its proper divisors (81654586).

83445230 is a wasteful number, since it uses less digits than its factorization.

83445230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68992 (or 68981 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 83445230 is about 9134.8360685893. The cubic root of 83445230 is about 436.9856464136.

Adding to 83445230 its reverse (3254438), we get a palindrome (86699668).

It can be divided in two parts, 834 and 45230, that added together give a palindrome (46064).

The spelling of 83445230 in words is "eighty-three million, four hundred forty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 68963 137926 344815 689630 758593 1517186 3792965 7585930 8344523 16689046 41722615 83445230