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11924913 = 3711213192
BaseRepresentation
bin101101011111…
…010110110001
3211102211220110
4231133112301
511023044123
61103331533
7203234340
oct55372661
924384813
1011924913
116805400
123bb0ba9
132616a80
141825b57
1510a8493
hexb5f5b1

11924913 has 72 divisors (see below), whose sum is σ = 22701504. Its totient is φ = 5417280.

The previous prime is 11924911. The next prime is 11924929. The reversal of 11924913 is 31942911.

It is not a de Polignac number, because 11924913 - 21 = 11924911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11924911) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 627618 + ... + 627636.

Almost surely, 211924913 is an apocalyptic number.

11924913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11924913 is a deficient number, since it is larger than the sum of its proper divisors (10776591).

11924913 is a wasteful number, since it uses less digits than its factorization.

11924913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 53 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 11924913 is about 3453.2467331484. The cubic root of 11924913 is about 228.4643315054.

It can be divided in two parts, 1192 and 4913, that added together give a triangular number (6105 = T110).

The spelling of 11924913 in words is "eleven million, nine hundred twenty-four thousand, nine hundred thirteen".

Divisors: 1 3 7 11 13 19 21 33 39 57 77 91 121 133 143 209 231 247 273 361 363 399 429 627 741 847 1001 1083 1463 1573 1729 2299 2527 2541 2717 3003 3971 4389 4693 4719 5187 6897 7581 8151 11011 11913 14079 16093 19019 27797 29887 32851 33033 43681 48279 51623 57057 83391 89661 98553 131043 154869 209209 305767 361361 567853 627627 917301 1084083 1703559 3974971 11924913