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80828250 = 2353472293
BaseRepresentation
bin1001101000101…
…01011101011010
312122002111111220
410310111131122
5131143001000
612004232510
72001012606
oct464253532
9178074456
1080828250
1141697508
122309b736
1313990389
14aa40506
1571691a0
hex4d1575a

80828250 has 64 divisors (see below), whose sum is σ = 206129664. Its totient is φ = 21086400.

The previous prime is 80828243. The next prime is 80828263. The reversal of 80828250 is 5282808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34104 + ... + 36396.

It is an arithmetic number, because the mean of its divisors is an integer number (3220776).

Almost surely, 280828250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80828250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103064832).

80828250 is an abundant number, since it is smaller than the sum of its proper divisors (125301414).

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

80828250 is a wasteful number, since it uses less digits than its factorization.

80828250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 80828250 is about 8990.4532699970. The cubic root of 80828250 is about 432.3688443680.

The spelling of 80828250 in words is "eighty million, eight hundred twenty-eight thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 47 50 75 94 125 141 150 235 250 282 375 470 705 750 1175 1410 2293 2350 3525 4586 5875 6879 7050 11465 11750 13758 17625 22930 34395 35250 57325 68790 107771 114650 171975 215542 286625 323313 343950 538855 573250 646626 859875 1077710 1616565 1719750 2694275 3233130 5388550 8082825 13471375 16165650 26942750 40414125 80828250