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11461720 = 235286543
BaseRepresentation
bin101011101110…
…010001011000
3210120022112011
4223232101120
510413233340
61045355304
7166265044
oct53562130
923508464
1011461720
1165193a6
123a08b34
1324b3caa
141745024
1510160ea
hexaee458

11461720 has 16 divisors (see below), whose sum is σ = 25788960. Its totient is φ = 4584672.

The previous prime is 11461663. The next prime is 11461729. The reversal of 11461720 is 2716411.

11461720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11461691 and 11461700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11461729) 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, 143232 + ... + 143311.

It is an arithmetic number, because the mean of its divisors is an integer number (1611810).

Almost surely, 211461720 is an apocalyptic number.

11461720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11461720 is an abundant number, since it is smaller than the sum of its proper divisors (14327240).

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

11461720 is a wasteful number, since it uses less digits than its factorization.

11461720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286554 (or 286550 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11461720 is about 3385.5162087930. The cubic root of 11461720 is about 225.4671446700.

The spelling of 11461720 in words is "eleven million, four hundred sixty-one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 286543 573086 1146172 1432715 2292344 2865430 5730860 11461720