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266955942 = 231131130477
BaseRepresentation
bin11111110100101…
…10110010100110
3200121022202201010
433322112302212
51021320042232
642253443050
76421042131
oct1772266246
9617282633
10266955942
11127764a50
12754a0486
13433cb3c6
1427651218
15186830cc
hexfe96ca6

266955942 has 32 divisors (see below), whose sum is σ = 601242624. Its totient is φ = 78285600.

The previous prime is 266955929. The next prime is 266955959. The reversal of 266955942 is 249559662.

It is a junction number, because it is equal to n+sod(n) for n = 266955891 and 266955900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63193 + ... + 67284.

It is an arithmetic number, because the mean of its divisors is an integer number (18788832).

Almost surely, 2266955942 is an apocalyptic number.

266955942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266955942 is an abundant number, since it is smaller than the sum of its proper divisors (334286682).

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

266955942 is a wasteful number, since it uses less digits than its factorization.

266955942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130524.

The product of its digits is 1166400, while the sum is 48.

The square root of 266955942 is about 16338.7864298423. The cubic root of 266955942 is about 643.8922491820.

The spelling of 266955942 in words is "two hundred sixty-six million, nine hundred fifty-five thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 2046 130477 260954 391431 782862 1435247 2870494 4044787 4305741 8089574 8611482 12134361 24268722 44492657 88985314 133477971 266955942