Search a number
-
+
89321420 = 22523277701
BaseRepresentation
bin1010101001011…
…10111111001100
320020001222221202
411110232333030
5140331241140
612510245032
72133135206
oct524567714
9206058852
1089321420
1146468561
1225ab6778
1315675116
14bc11776
157c95915
hex552efcc

89321420 has 48 divisors (see below), whose sum is σ = 196717248. Its totient is φ = 34003200.

The previous prime is 89321381. The next prime is 89321437. The reversal of 89321420 is 2412398.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127070 + ... + 127770.

It is an arithmetic number, because the mean of its divisors is an integer number (4098276).

Almost surely, 289321420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89321420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98358624).

89321420 is an abundant number, since it is smaller than the sum of its proper divisors (107395828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89321420 is a wasteful number, since it uses less digits than its factorization.

89321420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 89321420 is about 9451.0010051846. The cubic root of 89321420 is about 447.0113388746.

The spelling of 89321420 in words is "eighty-nine million, three hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 277 460 554 701 1108 1385 1402 2770 2804 3505 5540 6371 7010 12742 14020 16123 25484 31855 32246 63710 64492 80615 127420 161230 194177 322460 388354 776708 970885 1941770 3883540 4466071 8932142 17864284 22330355 44660710 89321420