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89873120 = 2553311697
BaseRepresentation
bin1010101101101…
…01101011100000
320021010000202002
411112311223200
5141001414440
612530143132
72140623521
oct526655340
9207100662
1089873120
1146805007
1226121aa8
131580927c
14bd16848
157d54115
hex55b5ae0

89873120 has 48 divisors (see below), whose sum is σ = 213092208. Its totient is φ = 35819520.

The previous prime is 89873099. The next prime is 89873143. The reversal of 89873120 is 2137898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52112 + ... + 53808.

It is an arithmetic number, because the mean of its divisors is an integer number (4439421).

Almost surely, 289873120 is an apocalyptic number.

89873120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89873120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106546104).

89873120 is an abundant number, since it is smaller than the sum of its proper divisors (123219088).

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

89873120 is a wasteful number, since it uses less digits than its factorization.

89873120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 89873120 is about 9480.1434588301. The cubic root of 89873120 is about 447.9297827876.

The spelling of 89873120 in words is "eighty-nine million, eight hundred seventy-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 331 662 1324 1655 1697 2648 3310 3394 5296 6620 6788 8485 10592 13240 13576 16970 26480 27152 33940 52960 54304 67880 135760 271520 561707 1123414 2246828 2808535 4493656 5617070 8987312 11234140 17974624 22468280 44936560 89873120