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89462240 = 2557211411
BaseRepresentation
bin1010101010100…
…01010111100000
320020100011010022
411111101113200
5140400242430
612513253012
72134262600
oct525212740
9206304108
1089462240
114655433a
1225b64168
13156c424a
14bc4ac00
157cc24e5
hex55515e0

89462240 has 72 divisors (see below), whose sum is σ = 245882952. Its totient is φ = 30670080.

The previous prime is 89462237. The next prime is 89462267. The reversal of 89462240 is 4226498.

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

It is a self number, because there is not a number n which added to its sum of digits gives 89462240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2135 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (3415041).

Almost surely, 289462240 is an apocalyptic number.

89462240 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 89462240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122941476).

89462240 is an abundant number, since it is smaller than the sum of its proper divisors (156420712).

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

89462240 is a wasteful number, since it uses less digits than its factorization.

89462240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440 (or 11425 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 89462240 is about 9458.4480756623. The cubic root of 89462240 is about 447.2461279667.

The spelling of 89462240 in words is "eighty-nine million, four hundred sixty-two thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 560 784 980 1120 1568 1960 3920 7840 11411 22822 45644 57055 79877 91288 114110 159754 182576 228220 319508 365152 399385 456440 559139 639016 798770 912880 1118278 1278032 1597540 1825760 2236556 2556064 2795695 3195080 4473112 5591390 6390160 8946224 11182780 12780320 17892448 22365560 44731120 89462240