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11930705 = 52419901
BaseRepresentation
bin101101100000…
…110001010001
3211110010211222
4231200301101
511023240310
61103414425
7203260253
oct55406121
924403758
1011930705
116809796
123bb4415
1326195b7
141827cd3
1510aa055
hexb60c51

11930705 has 8 divisors (see below), whose sum is σ = 14377704. Its totient is φ = 9504000.

The previous prime is 11930701. The next prime is 11930707. The reversal of 11930705 is 50703911.

It can be written as a sum of positive squares in 4 ways, for example, as 5494336 + 6436369 = 2344^2 + 2537^2 .

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

It is not a de Polignac number, because 11930705 - 22 = 11930701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11930701) 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, 3746 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (1797213).

Almost surely, 211930705 is an apocalyptic number.

It is an amenable number.

11930705 is a deficient number, since it is larger than the sum of its proper divisors (2446999).

11930705 is an equidigital number, since it uses as much as digits as its factorization.

11930705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 11930705 is about 3454.0852624103. The cubic root of 11930705 is about 228.5013143392.

The spelling of 11930705 in words is "eleven million, nine hundred thirty thousand, seven hundred five".

Divisors: 1 5 241 1205 9901 49505 2386141 11930705