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266130 = 23252957
BaseRepresentation
bin1000000111110010010
3111112001200
41000332102
532004010
65412030
72155614
oct1007622
9445050
10266130
11171a47
1210a016
1394197
146cdb4
1553cc0
hex40f92

266130 has 24 divisors (see below), whose sum is σ = 692172. Its totient is φ = 70944.

The previous prime is 266129. The next prime is 266137. The reversal of 266130 is 31662.

It is a happy number.

266130 is a `hidden beast` number, since 2 + 661 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 251001 + 15129 = 501^2 + 123^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (266137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1389 + ... + 1568.

2266130 is an apocalyptic number.

266130 is an abundant number, since it is smaller than the sum of its proper divisors (426042).

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

266130 is a wasteful number, since it uses less digits than its factorization.

266130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 266130 is about 515.8778925288. The cubic root of 266130 is about 64.3227511447.

Adding to 266130 its reverse (31662), we get a palindrome (297792).

The spelling of 266130 in words is "two hundred sixty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2957 5914 8871 14785 17742 26613 29570 44355 53226 88710 133065 266130