Search a number
-
+
90229345 = 523784603
BaseRepresentation
bin1010110000011…
…00101001100001
320021210010101121
411120030221201
5141044314340
612541532241
72143636213
oct530145141
9207703347
1090229345
1146a28708
1226274081
131590245b
14bdaa5b3
157dc494a
hex560ca61

90229345 has 8 divisors (see below), whose sum is σ = 112982976. Its totient is φ = 69044976.

The previous prime is 90229343. The next prime is 90229367. The reversal of 90229345 is 54392209.

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 90229345 - 21 = 90229343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90229345.

It is not an unprimeable number, because it can be changed into a prime (90229343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392187 + ... + 392416.

It is an arithmetic number, because the mean of its divisors is an integer number (14122872).

Almost surely, 290229345 is an apocalyptic number.

It is an amenable number.

90229345 is a deficient number, since it is larger than the sum of its proper divisors (22753631).

90229345 is a wasteful number, since it uses less digits than its factorization.

90229345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784631.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 90229345 is about 9498.9128325298. The cubic root of 90229345 is about 448.5208139060.

The spelling of 90229345 in words is "ninety million, two hundred twenty-nine thousand, three hundred forty-five".

Divisors: 1 5 23 115 784603 3923015 18045869 90229345