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1230313522 = 21016090661
BaseRepresentation
bin100100101010101…
…0001100000110010
310011202001101212111
41021111101200302
510004430013042
6322025515534
742326330614
oct11125214062
93152041774
101230313522
11581530839
122a4042baa
13167b79089
14b9580db4
1573027517
hex49551832

1230313522 has 8 divisors (see below), whose sum is σ = 1863742572. Its totient is φ = 609066000.

The previous prime is 1230313519. The next prime is 1230313541. The reversal of 1230313522 is 2253130321.

It can be written as a sum of positive squares in 2 ways, for example, as 936910881 + 293402641 = 30609^2 + 17129^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1230313493 and 1230313502.

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, 3045129 + ... + 3045532.

Almost surely, 21230313522 is an apocalyptic number.

1230313522 is a deficient number, since it is larger than the sum of its proper divisors (633429050).

1230313522 is a wasteful number, since it uses less digits than its factorization.

1230313522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090764.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1230313522 is about 35075.8253217227. The cubic root of 1230313522 is about 1071.5322972984.

Adding to 1230313522 its reverse (2253130321), we get a palindrome (3483443843).

The spelling of 1230313522 in words is "one billion, two hundred thirty million, three hundred thirteen thousand, five hundred twenty-two".

Divisors: 1 2 101 202 6090661 12181322 615156761 1230313522