Search a number
-
+
89243672 = 23729179307
BaseRepresentation
bin1010101000111…
…00000000011000
320012221001022012
411110130000120
5140321244142
612504445052
72132362430
oct524340030
9205831265
1089243672
1146415101
1225a79788
131564890b
14bbd12c0
157c7c882
hex551c018

89243672 has 64 divisors (see below), whose sum is σ = 199584000. Its totient is φ = 36602496.

The previous prime is 89243617. The next prime is 89243677. The reversal of 89243672 is 27634298.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89243677) 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, 290543 + ... + 290849.

It is an arithmetic number, because the mean of its divisors is an integer number (3118500).

Almost surely, 289243672 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 89243672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99792000).

89243672 is an abundant number, since it is smaller than the sum of its proper divisors (110340328).

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

89243672 is a wasteful number, since it uses less digits than its factorization.

89243672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 524 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 89243672 is about 9446.8868946336. The cubic root of 89243672 is about 446.8816039385.

The spelling of 89243672 in words is "eighty-nine million, two hundred forty-three thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 179 203 232 307 358 406 614 716 812 1228 1253 1432 1624 2149 2456 2506 4298 5012 5191 8596 8903 10024 10382 17192 17806 20764 35612 36337 41528 54953 62321 71224 72674 109906 124642 145348 219812 249284 290696 384671 439624 498568 769342 1538684 1593637 3077368 3187274 6374548 11155459 12749096 22310918 44621836 89243672