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266107872 = 2532771957
BaseRepresentation
bin11111101110001…
…11101111100000
3200112201200101010
433313013233200
51021110422442
642223340520
76410610462
oct1767075740
9615650333
10266107872
11127235868
1275151740
13431923a4
14274b0132
1518566b9c
hexfdc7be0

266107872 has 24 divisors (see below), whose sum is σ = 698533416. Its totient is φ = 88702592.

The previous prime is 266107837. The next prime is 266107873. The reversal of 266107872 is 278701662.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 266107872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266107873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385883 + ... + 1386074.

It is an arithmetic number, because the mean of its divisors is an integer number (29105559).

Almost surely, 2266107872 is an apocalyptic number.

It is an amenable number.

266107872 is an abundant number, since it is smaller than the sum of its proper divisors (432425544).

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

266107872 is a wasteful number, since it uses less digits than its factorization.

266107872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771970 (or 2771962 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 266107872 is about 16312.8131234315. The cubic root of 266107872 is about 643.2096834017.

The spelling of 266107872 in words is "two hundred sixty-six million, one hundred seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2771957 5543914 8315871 11087828 16631742 22175656 33263484 44351312 66526968 88702624 133053936 266107872