Search a number
-
+
90612301 = 1329323789
BaseRepresentation
bin1010110011010…
…10001001001101
320022111120201011
411121222021031
5141144043201
612554045221
72150122543
oct531521115
9208446634
1090612301
114716a3aa
1226419811
1315a07860
14c069d93
157e4d151
hex566a24d

90612301 has 8 divisors (see below), whose sum is σ = 97919640. Its totient is φ = 83353152.

The previous prime is 90612299. The next prime is 90612359. The reversal of 90612301 is 10321609.

It can be written as a sum of positive squares in 4 ways, for example, as 7784100 + 82828201 = 2790^2 + 9101^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 90612301 - 21 = 90612299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90612901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8086 + ... + 15703.

It is an arithmetic number, because the mean of its divisors is an integer number (12239955).

Almost surely, 290612301 is an apocalyptic number.

It is an amenable number.

90612301 is a deficient number, since it is larger than the sum of its proper divisors (7307339).

90612301 is a wasteful number, since it uses less digits than its factorization.

90612301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24095.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 90612301 is about 9519.0493748063. The cubic root of 90612301 is about 449.1544632853.

The spelling of 90612301 in words is "ninety million, six hundred twelve thousand, three hundred one".

Divisors: 1 13 293 3809 23789 309257 6970177 90612301