Search a number
-
+
89656090 = 258965609
BaseRepresentation
bin1010101100000…
…00101100011010
320020201000000221
411112000230122
5140422443330
612521350254
72136031006
oct526005432
9206630027
1089656090
1146676a47
122603838a
1315761554
14bc9b706
157d0eb7a
hex5580b1a

89656090 has 8 divisors (see below), whose sum is σ = 161380980. Its totient is φ = 35862432.

The previous prime is 89656051. The next prime is 89656103. The reversal of 89656090 is 9065698.

It can be written as a sum of positive squares in 2 ways, for example, as 86843761 + 2812329 = 9319^2 + 1677^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4482795 + ... + 4482814.

Almost surely, 289656090 is an apocalyptic number.

89656090 is a deficient number, since it is larger than the sum of its proper divisors (71724890).

89656090 is a wasteful number, since it uses less digits than its factorization.

89656090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965616.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 89656090 is about 9468.6899833081. The cubic root of 89656090 is about 447.5689312581.

The spelling of 89656090 in words is "eighty-nine million, six hundred fifty-six thousand, ninety".

Divisors: 1 2 5 10 8965609 17931218 44828045 89656090