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11275040 = 255710067
BaseRepresentation
bin101011000000…
…101100100000
3210012211110002
4223000230200
510341300130
61041355132
7164556560
oct53005440
923184402
1011275040
116401117
123938aa8
13244a02a
1416d6da0
15ecab45
hexac0b20

11275040 has 48 divisors (see below), whose sum is σ = 30445632. Its totient is φ = 3865344.

The previous prime is 11275021. The next prime is 11275051. The reversal of 11275040 is 4057211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3914 + ... + 6153.

It is an arithmetic number, because the mean of its divisors is an integer number (634284).

Almost surely, 211275040 is an apocalyptic number.

11275040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11275040 is an abundant number, since it is smaller than the sum of its proper divisors (19170592).

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

11275040 is a wasteful number, since it uses less digits than its factorization.

11275040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10089 (or 10081 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 11275040 is about 3357.8326343045. The cubic root of 11275040 is about 224.2363576581.

The spelling of 11275040 in words is "eleven million, two hundred seventy-five thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 10067 20134 40268 50335 70469 80536 100670 140938 161072 201340 281876 322144 352345 402680 563752 704690 805360 1127504 1409380 1610720 2255008 2818760 5637520 11275040