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11897406 = 2323671801
BaseRepresentation
bin101101011000…
…101000111110
3211101110011200
4231120220332
511021204111
61103000330
7203061213
oct55305076
924343150
1011897406
116796774
123b990a6
1326073b1
141819b0a
1510a0256
hexb58a3e

11897406 has 24 divisors (see below), whose sum is σ = 25862304. Its totient is φ = 3952800.

The previous prime is 11897393. The next prime is 11897407. The reversal of 11897406 is 60479811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5706 + ... + 7506.

It is an arithmetic number, because the mean of its divisors is an integer number (1077596).

Almost surely, 211897406 is an apocalyptic number.

11897406 is an abundant number, since it is smaller than the sum of its proper divisors (13964898).

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

11897406 is a wasteful number, since it uses less digits than its factorization.

11897406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 11897406 is about 3449.2616601238. The cubic root of 11897406 is about 228.2885312966.

The spelling of 11897406 in words is "eleven million, eight hundred ninety-seven thousand, four hundred six".

Divisors: 1 2 3 6 9 18 367 734 1101 1801 2202 3303 3602 5403 6606 10806 16209 32418 660967 1321934 1982901 3965802 5948703 11897406