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983968750 = 25623372
BaseRepresentation
bin111010101001100…
…010101111101110
32112120111210101001
4322221202233232
54003344000000
6241345510514
733245411362
oct7251425756
92476453331
10983968750
11465474316
1223564243a
13128b1633b
14949772a2
155b5b646a
hex3aa62bee

983968750 has 84 divisors (see below), whose sum is σ = 1978568424. Its totient is φ = 366300000.

The previous prime is 983968723. The next prime is 983968757. The reversal of 983968750 is 57869389.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 983968691 and 983968700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983968757) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 26593732 + ... + 26593768.

It is an arithmetic number, because the mean of its divisors is an integer number (23554386).

Almost surely, 2983968750 is an apocalyptic number.

983968750 is an abundant number, since it is smaller than the sum of its proper divisors (994599674).

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

983968750 is an frugal number, since it uses more digits than its factorization.

983968750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 983968750 is about 31368.2761719544. The cubic root of 983968750 is about 994.6274372616.

The spelling of 983968750 in words is "nine hundred eighty-three million, nine hundred sixty-eight thousand, seven hundred fifty".

Divisors: 1 2 5 10 23 25 37 46 50 74 115 125 185 230 250 370 575 625 851 925 1150 1250 1369 1702 1850 2738 2875 3125 4255 4625 5750 6250 6845 8510 9250 13690 14375 15625 21275 23125 28750 31250 31487 34225 42550 46250 62974 68450 71875 106375 115625 143750 157435 171125 212750 231250 314870 342250 359375 531875 578125 718750 787175 855625 1063750 1156250 1574350 1711250 2659375 3935875 4278125 5318750 7871750 8556250 13296875 19679375 21390625 26593750 39358750 42781250 98396875 196793750 491984375 983968750