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49288500 = 2234531217
BaseRepresentation
bin1011110000000…
…1010100110100
310102202010010000
42330001110310
5100104213000
64520231300
71135642152
oct274012464
9112663100
1049288500
11259051a8
121460b530
13a2995c1
1467903d2
1544d9000
hex2f01534

49288500 has 120 divisors (see below), whose sum is σ = 160936776. Its totient is φ = 13132800.

The previous prime is 49288439. The next prime is 49288511. The reversal of 49288500 is 588294.

It can be written as a sum of positive squares in 4 ways, for example, as 4210704 + 45077796 = 2052^2 + 6714^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39892 + ... + 41108.

Almost surely, 249288500 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 49288500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80468388).

49288500 is an abundant number, since it is smaller than the sum of its proper divisors (111648276).

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

49288500 is a wasteful number, since it uses less digits than its factorization.

49288500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 49288500 is about 7020.5768993723. The cubic root of 49288500 is about 366.6473359873.

The spelling of 49288500 in words is "forty-nine million, two hundred eighty-eight thousand, five hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 125 135 150 162 180 225 250 270 300 324 375 405 450 500 540 675 750 810 900 1125 1217 1350 1500 1620 2025 2250 2434 2700 3375 3651 4050 4500 4868 6085 6750 7302 8100 10125 10953 12170 13500 14604 18255 20250 21906 24340 30425 32859 36510 40500 43812 54765 60850 65718 73020 91275 98577 109530 121700 131436 152125 164295 182550 197154 219060 273825 304250 328590 365100 394308 456375 492885 547650 608500 657180 821475 912750 985770 1095300 1369125 1642950 1825500 1971540 2464425 2738250 3285900 4107375 4928850 5476500 8214750 9857700 12322125 16429500 24644250 49288500