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89688480 = 2535726693
BaseRepresentation
bin1010101100010…
…00100110100000
320020202122110120
411112020212200
5140430012410
612522200240
72136224310
oct526104640
9206678416
1089688480
1146699312
1226053080
131577320b
14bca9440
157d19570
hex55889a0

89688480 has 96 divisors (see below), whose sum is σ = 322890624. Its totient is φ = 20499456.

The previous prime is 89688449. The next prime is 89688509. The reversal of 89688480 is 8488698.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9987 + ... + 16706.

It is an arithmetic number, because the mean of its divisors is an integer number (3363444).

Almost surely, 289688480 is an apocalyptic number.

89688480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89688480 is an abundant number, since it is smaller than the sum of its proper divisors (233202144).

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

89688480 is a wasteful number, since it uses less digits than its factorization.

89688480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26718 (or 26710 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The square root of 89688480 is about 9470.4002027369. The cubic root of 89688480 is about 447.6228224189.

The spelling of 89688480 in words is "eighty-nine million, six hundred eighty-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 26693 53386 80079 106772 133465 160158 186851 213544 266930 320316 373702 400395 427088 533860 560553 640632 747404 800790 854176 934255 1067720 1121106 1281264 1494808 1601580 1868510 2135440 2242212 2562528 2802765 2989616 3203160 3737020 4270880 4484424 5605530 5979232 6406320 7474040 8968848 11211060 12812640 14948080 17937696 22422120 29896160 44844240 89688480