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8990832400 = 24521124312
BaseRepresentation
bin10000101111110010…
…10011011100010000
3212012120211121102121
420113321103130100
5121403123114100
64044052424024
7435541546234
oct102771233420
925176747377
108990832400
1138a40aa500
1218ab018014
13b038c0594
1461410a5c4
153794ba51a
hex217e53710

8990832400 has 135 divisors (see below), whose sum is σ = 23797885909. Its totient is φ = 3261808000.

The previous prime is 8990832379. The next prime is 8990832437. The reversal of 8990832400 is 42380998.

It is a happy number.

The square root of 8990832400 is 94820.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3236699664 + 5754132736 = 56892^2 + 75856^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20860185 + ... + 20860615.

Almost surely, 28990832400 is an apocalyptic number.

8990832400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

8990832400 is the 94820-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8990832400

8990832400 is an abundant number, since it is smaller than the sum of its proper divisors (14807053509).

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

8990832400 is a wasteful number, since it uses less digits than its factorization.

8990832400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The cubic root of 8990832400 is about 2079.3773099055.

The spelling of 8990832400 in words is "eight billion, nine hundred ninety million, eight hundred thirty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 121 176 200 220 242 275 400 431 440 484 550 605 862 880 968 1100 1210 1724 1936 2155 2200 2420 3025 3448 4310 4400 4741 4840 6050 6896 8620 9482 9680 10775 12100 17240 18964 21550 23705 24200 34480 37928 43100 47410 48400 52151 75856 86200 94820 104302 118525 172400 185761 189640 208604 237050 260755 371522 379280 417208 474100 521510 743044 834416 928805 948200 1043020 1303775 1486088 1857610 1896400 2043371 2086040 2607550 2972176 3715220 4086742 4172080 4644025 5215100 7430440 8173484 9288050 10216855 10430200 14860880 16346968 18576100 20433710 20860400 22477081 32693936 37152200 40867420 44954162 51084275 74304400 81734840 89908324 102168550 112385405 163469680 179816648 204337100 224770810 359633296 408674200 449541620 561927025 817348400 899083240 1123854050 1798166480 2247708100 4495416200 8990832400