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89364940 = 22573159349
BaseRepresentation
bin1010101001110…
…01100111001100
320020011012122121
411110321213030
5140334134230
612511222324
72133406120
oct524714714
9206135577
1089364940
1146498225
1225b179a4
131568bb82
14bc23580
157ca377a
hex55399cc

89364940 has 96 divisors (see below), whose sum is σ = 225792000. Its totient is φ = 29064960.

The previous prime is 89364893. The next prime is 89364941. The reversal of 89364940 is 4946398.

It is not an unprimeable number, because it can be changed into a prime (89364941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255886 + ... + 256234.

It is an arithmetic number, because the mean of its divisors is an integer number (2352000).

Almost surely, 289364940 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 89364940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112896000).

89364940 is an abundant number, since it is smaller than the sum of its proper divisors (136427060).

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

89364940 is a wasteful number, since it uses less digits than its factorization.

89364940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 89364940 is about 9453.3031264209. The cubic root of 89364940 is about 447.0839260727.

The spelling of 89364940 in words is "eighty-nine million, three hundred sixty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 59 62 70 118 124 140 155 217 236 295 310 349 413 434 590 620 698 826 868 1085 1180 1396 1652 1745 1829 2065 2170 2443 3490 3658 4130 4340 4886 6980 7316 8260 9145 9772 10819 12215 12803 18290 20591 21638 24430 25606 36580 41182 43276 48860 51212 54095 64015 75733 82364 102955 108190 128030 144137 151466 205910 216380 256060 288274 302932 378665 411820 576548 638321 720685 757330 1276642 1441370 1514660 2553284 2882740 3191605 4468247 6383210 8936494 12766420 17872988 22341235 44682470 89364940