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89453420 = 22572372467
BaseRepresentation
bin1010101010011…
…11001101101100
320020022201000122
411111033031230
5140400002140
612513144112
72134225100
oct525171554
9206281018
1089453420
1146548751
1225b5b038
13156c0224
14bc47900
157cbeab5
hex554f36c

89453420 has 72 divisors (see below), whose sum is σ = 224518896. Its totient is φ = 29828736.

The previous prime is 89453411. The next prime is 89453423. The reversal of 89453420 is 2435498.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (89453423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35027 + ... + 37493.

It is an arithmetic number, because the mean of its divisors is an integer number (3118318).

Almost surely, 289453420 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 89453420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112259448).

89453420 is an abundant number, since it is smaller than the sum of its proper divisors (135065476).

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

89453420 is a wasteful number, since it uses less digits than its factorization.

89453420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 89453420 is about 9457.9818143196. The cubic root of 89453420 is about 447.2314296221.

The spelling of 89453420 in words is "eighty-nine million, four hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 49 70 74 98 140 148 185 196 245 259 370 490 518 740 980 1036 1295 1813 2467 2590 3626 4934 5180 7252 9065 9868 12335 17269 18130 24670 34538 36260 49340 69076 86345 91279 120883 172690 182558 241766 345380 365116 456395 483532 604415 638953 912790 1208830 1277906 1825580 2417660 2555812 3194765 4472671 6389530 8945342 12779060 17890684 22363355 44726710 89453420