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10666250 = 25472353
BaseRepresentation
bin101000101100…
…000100001010
3202001220100022
4220230010022
510212310000
61020340442
7156442640
oct50540412
922056308
1010666250
116025791
1236a4722
132295bba
1415b9190
15e0a585
hexa2c10a

10666250 has 80 divisors (see below), whose sum is σ = 24292224. Its totient is φ = 3432000.

The previous prime is 10666241. The next prime is 10666297. The reversal of 10666250 is 5266601.

It is a super-2 number, since 2×106662502 = 227537778125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 201224 + ... + 201276.

Almost surely, 210666250 is an apocalyptic number.

10666250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10666250 is an abundant number, since it is smaller than the sum of its proper divisors (13625974).

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

10666250 is an equidigital number, since it uses as much as digits as its factorization.

10666250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10666250 is about 3265.9225342926. The cubic root of 10666250 is about 220.1256169660.

It can be divided in two parts, 106 and 66250, that multiplied together give a square (7022500 = 26502).

The spelling of 10666250 in words is "ten million, six hundred sixty-six thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 23 25 35 46 50 53 70 106 115 125 161 175 230 250 265 322 350 371 530 575 625 742 805 875 1150 1219 1250 1325 1610 1750 1855 2438 2650 2875 3710 4025 4375 5750 6095 6625 8050 8533 8750 9275 12190 13250 14375 17066 18550 20125 28750 30475 33125 40250 42665 46375 60950 66250 85330 92750 100625 152375 201250 213325 231875 304750 426650 463750 761875 1066625 1523750 2133250 5333125 10666250