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11930719 = 174211667
BaseRepresentation
bin101101100000…
…110001011111
3211110010212111
4231200301133
511023240334
61103414451
7203260303
oct55406137
924403774
1011930719
1168097a9
123bb4427
1326195c8
141827d03
1510aa064
hexb60c5f

11930719 has 8 divisors (see below), whose sum is σ = 12670128. Its totient is φ = 11195520.

The previous prime is 11930707. The next prime is 11930729. The reversal of 11930719 is 91703911.

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

It is not a de Polignac number, because 11930719 - 213 = 11922527 is a prime.

It is a super-2 number, since 2×119307192 = 284684111713922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11930729) 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 7 ways as a sum of consecutive naturals, for example, 6324 + ... + 7990.

It is an arithmetic number, because the mean of its divisors is an integer number (1583766).

Almost surely, 211930719 is an apocalyptic number.

11930719 is a deficient number, since it is larger than the sum of its proper divisors (739409).

11930719 is a wasteful number, since it uses less digits than its factorization.

11930719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 11930719 is about 3454.0872889955. The cubic root of 11930719 is about 228.5014037169.

The spelling of 11930719 in words is "eleven million, nine hundred thirty thousand, seven hundred nineteen".

Divisors: 1 17 421 1667 7157 28339 701807 11930719