Search a number
-
+
89563903 = 11131793499
BaseRepresentation
bin1010101011010…
…10001011111111
320020112022120121
411111222023333
5140412021103
612515355411
72135165152
oct525521377
9206468517
1089563903
1146613760
1225bb2b67
131572b5c0
14bc75c99
157ce26bd
hex556a2ff

89563903 has 16 divisors (see below), whose sum is σ = 105840000. Its totient is φ = 74717280.

The previous prime is 89563897. The next prime is 89563931. The reversal of 89563903 is 30936598.

It is not a de Polignac number, because 89563903 - 217 = 89432831 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 89563903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89563963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23848 + ... + 27346.

It is an arithmetic number, because the mean of its divisors is an integer number (6615000).

Almost surely, 289563903 is an apocalyptic number.

89563903 is a deficient number, since it is larger than the sum of its proper divisors (16276097).

89563903 is a wasteful number, since it uses less digits than its factorization.

89563903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 89563903 is about 9463.8207400605. The cubic root of 89563903 is about 447.4154775190.

The spelling of 89563903 in words is "eighty-nine million, five hundred sixty-three thousand, nine hundred three".

Divisors: 1 11 13 143 179 1969 2327 3499 25597 38489 45487 500357 626321 6889531 8142173 89563903