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11390649 = 329130927
BaseRepresentation
bin101011011100…
…111010111001
3210102201000220
4223130322321
510404000044
61044050253
7165550614
oct53347271
923381026
1011390649
11647aa66
123993989
13248a83a
14172717b
151000019
hexadceb9

11390649 has 8 divisors (see below), whose sum is σ = 15711360. Its totient is φ = 7331856.

The previous prime is 11390647. The next prime is 11390653. The reversal of 11390649 is 94609311.

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

It is not a de Polignac number, because 11390649 - 21 = 11390647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11390641) 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, 65377 + ... + 65550.

It is an arithmetic number, because the mean of its divisors is an integer number (1963920).

Almost surely, 211390649 is an apocalyptic number.

It is an amenable number.

11390649 is a deficient number, since it is larger than the sum of its proper divisors (4320711).

11390649 is a wasteful number, since it uses less digits than its factorization.

11390649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130959.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 11390649 is about 3375.0035555537. The cubic root of 11390649 is about 225.0001580246. Note that the first 3 decimals are identical.

The spelling of 11390649 in words is "eleven million, three hundred ninety thousand, six hundred forty-nine".

Divisors: 1 3 29 87 130927 392781 3796883 11390649