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10388000 = 25537253
BaseRepresentation
bin100111101000…
…001000100000
3201112202122202
4213220020200
510124404000
61010352332
7154203500
oct47501040
921482582
1010388000
115955727
12358b6a8
1321c935c
141545a00
15da2dd5
hex9e8220

10388000 has 144 divisors (see below), whose sum is σ = 30250584. Its totient is φ = 3494400.

The previous prime is 10387997. The next prime is 10388023. The reversal of 10388000 is 88301.

It can be written as a sum of positive squares in 4 ways, for example, as 4177936 + 6210064 = 2044^2 + 2492^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195974 + ... + 196026.

Almost surely, 210388000 is an apocalyptic number.

10388000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10388000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15125292).

10388000 is an abundant number, since it is smaller than the sum of its proper divisors (19862584).

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

10388000 is an equidigital number, since it uses as much as digits as its factorization.

10388000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 10388000 is about 3223.0420413020. The cubic root of 10388000 is about 218.1945910031.

The spelling of 10388000 in words is "ten million, three hundred eighty-eight thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 53 56 70 80 98 100 106 112 125 140 160 175 196 200 212 224 245 250 265 280 350 371 392 400 424 490 500 530 560 700 742 784 800 848 875 980 1000 1060 1120 1225 1325 1400 1484 1568 1696 1750 1855 1960 2000 2120 2450 2597 2650 2800 2968 3500 3710 3920 4000 4240 4900 5194 5300 5600 5936 6125 6625 7000 7420 7840 8480 9275 9800 10388 10600 11872 12250 12985 13250 14000 14840 18550 19600 20776 21200 24500 25970 26500 28000 29680 37100 39200 41552 42400 46375 49000 51940 53000 59360 64925 74200 83104 92750 98000 103880 106000 129850 148400 185500 196000 207760 212000 259700 296800 324625 371000 415520 519400 649250 742000 1038800 1298500 1484000 2077600 2597000 5194000 10388000