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11276840 = 235281921
BaseRepresentation
bin101011000001…
…001000101000
3210012220220202
4223001020220
510341324330
61041411332
7164565041
oct53011050
923186822
1011276840
116402503
123939b48
13244aab3
1416d78c8
15ecb445
hexac1228

11276840 has 16 divisors (see below), whose sum is σ = 25372980. Its totient is φ = 4510720.

The previous prime is 11276833. The next prime is 11276869. The reversal of 11276840 is 4867211.

It can be written as a sum of positive squares in 2 ways, for example, as 11276164 + 676 = 3358^2 + 26^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140921 + ... + 141000.

Almost surely, 211276840 is an apocalyptic number.

11276840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11276840 is an abundant number, since it is smaller than the sum of its proper divisors (14096140).

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

11276840 is a wasteful number, since it uses less digits than its factorization.

11276840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281932 (or 281928 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 11276840 is about 3358.1006536434. The cubic root of 11276840 is about 224.2482897360.

The spelling of 11276840 in words is "eleven million, two hundred seventy-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 281921 563842 1127684 1409605 2255368 2819210 5638420 11276840