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11393905 = 57433067
BaseRepresentation
bin101011011101…
…101101110001
3210102212111111
4223131231301
510404101110
61044113321
7165563245
oct53355561
923385444
1011393905
116482456
123995841
13248c173
141728425
151000e8a
hexaddb71

11393905 has 8 divisors (see below), whose sum is σ = 13695552. Its totient is φ = 9099888.

The previous prime is 11393873. The next prime is 11393923. The reversal of 11393905 is 50939311.

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 11393905 - 25 = 11393873 is a prime.

It is a super-2 number, since 2×113939052 = 259642142298050, which contains 22 as substring.

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, 2182 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (1711944).

Almost surely, 211393905 is an apocalyptic number.

It is an amenable number.

11393905 is a deficient number, since it is larger than the sum of its proper divisors (2301647).

11393905 is an equidigital number, since it uses as much as digits as its factorization.

11393905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 11393905 is about 3375.4858909496. The cubic root of 11393905 is about 225.0215946352.

The spelling of 11393905 in words is "eleven million, three hundred ninety-three thousand, nine hundred five".

Divisors: 1 5 743 3067 3715 15335 2278781 11393905