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13422663 = 321491407
BaseRepresentation
bin110011001101…
…000001000111
3221020221102200
4303031001013
511414011123
61155405543
7222043062
oct63150107
927227380
1013422663
117638711
1245b38b3
132a1c707
141ad58d9
1512a2143
hexccd047

13422663 has 6 divisors (see below), whose sum is σ = 19388304. Its totient is φ = 8948436.

The previous prime is 13422649. The next prime is 13422667. The reversal of 13422663 is 36622431.

It is not a de Polignac number, because 13422663 - 25 = 13422631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745695 + ... + 745712.

It is an arithmetic number, because the mean of its divisors is an integer number (3231384).

Almost surely, 213422663 is an apocalyptic number.

13422663 is a deficient number, since it is larger than the sum of its proper divisors (5965641).

13422663 is a wasteful number, since it uses less digits than its factorization.

13422663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491413 (or 1491410 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 13422663 is about 3663.6952657119. The cubic root of 13422663 is about 237.6546022013.

It can be divided in two parts, 1342 and 2663, that added together give a triangular number (4005 = T89).

The spelling of 13422663 in words is "thirteen million, four hundred twenty-two thousand, six hundred sixty-three".

Divisors: 1 3 9 1491407 4474221 13422663