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11389465 = 57132083
BaseRepresentation
bin101011011100…
…101000011001
3210102122102001
4223130220121
510403430330
61044041001
7165544303
oct53345031
923378361
1011389465
11647a08a
123993161
13248a139
141726973
15eee9ca
hexadca19

11389465 has 8 divisors (see below), whose sum is σ = 13860288. Its totient is φ = 8982960.

The previous prime is 11389421. The next prime is 11389471. The reversal of 11389465 is 56498311.

11389465 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11389465 - 29 = 11388953 is a prime.

It is a Duffinian number.

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, 15687 + ... + 16396.

It is an arithmetic number, because the mean of its divisors is an integer number (1732536).

Almost surely, 211389465 is an apocalyptic number.

It is an amenable number.

11389465 is a deficient number, since it is larger than the sum of its proper divisors (2470823).

11389465 is an equidigital number, since it uses as much as digits as its factorization.

11389465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32159.

The product of its digits is 25920, while the sum is 37.

The square root of 11389465 is about 3374.8281437727. The cubic root of 11389465 is about 224.9923618806.

It can be divided in two parts, 11389 and 465, that multiplied together give a triangular number (5295885 = T3254).

The spelling of 11389465 in words is "eleven million, three hundred eighty-nine thousand, four hundred sixty-five".

Divisors: 1 5 71 355 32083 160415 2277893 11389465