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11455457 = 13899901
BaseRepresentation
bin101011101100…
…101111100001
3210112222221012
4223230233201
510413033312
61045310305
7166240556
oct53545741
923488835
1011455457
116514722
123a05395
1324b11a0
141742a2d
151014322
hexaecbe1

11455457 has 8 divisors (see below), whose sum is σ = 12476520. Its totient is φ = 10454400.

The previous prime is 11455439. The next prime is 11455469. The reversal of 11455457 is 75455411.

It can be written as a sum of positive squares in 4 ways, for example, as 1157776 + 10297681 = 1076^2 + 3209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11455457 - 26 = 11455393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11455417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794 + ... + 6107.

It is an arithmetic number, because the mean of its divisors is an integer number (1559565).

Almost surely, 211455457 is an apocalyptic number.

It is an amenable number.

11455457 is a deficient number, since it is larger than the sum of its proper divisors (1021063).

11455457 is an equidigital number, since it uses as much as digits as its factorization.

11455457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003.

The product of its digits is 14000, while the sum is 32.

The square root of 11455457 is about 3384.5911126752. The cubic root of 11455457 is about 225.4260700318.

The spelling of 11455457 in words is "eleven million, four hundred fifty-five thousand, four hundred fifty-seven".

Divisors: 1 13 89 1157 9901 128713 881189 11455457