Search a number
-
+
89234621 = 7193312027
BaseRepresentation
bin1010101000110…
…01110010111101
320012220120212222
411110121302331
5140321001441
612504335125
72132324150
oct524316275
9205816788
1089234621
1146409323
1225a744a5
1315644768
14bbcbc97
157c79d4b
hex5519cbd

89234621 has 16 divisors (see below), whose sum is σ = 107727360. Its totient is φ = 72206640.

The previous prime is 89234617. The next prime is 89234657. The reversal of 89234621 is 12643298.

It is a cyclic number.

It is not a de Polignac number, because 89234621 - 22 = 89234617 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89234681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43010 + ... + 45036.

It is an arithmetic number, because the mean of its divisors is an integer number (6732960).

Almost surely, 289234621 is an apocalyptic number.

It is an amenable number.

89234621 is a deficient number, since it is larger than the sum of its proper divisors (18492739).

89234621 is a wasteful number, since it uses less digits than its factorization.

89234621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its digits is 20736, while the sum is 35.

The square root of 89234621 is about 9446.4078357860. The cubic root of 89234621 is about 446.8664960059.

The spelling of 89234621 in words is "eighty-nine million, two hundred thirty-four thousand, six hundred twenty-one".

Divisors: 1 7 19 133 331 2027 2317 6289 14189 38513 44023 269591 670937 4696559 12747803 89234621