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13395038 = 2193183137
BaseRepresentation
bin110011000110…
…010001011110
3221012112112112
4303012101132
511412120123
61155034022
7221566406
oct63062136
927175475
1013395038
117619988
12459b912
132a0cc77
141ac9806
151298d78
hexcc645e

13395038 has 32 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 6022080.

The previous prime is 13395037. The next prime is 13395077. The reversal of 13395038 is 83059331.

13395038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13394995 and 13395013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13395037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97706 + ... + 97842.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 213395038 is an apocalyptic number.

13395038 is a deficient number, since it is larger than the sum of its proper divisors (8861602).

13395038 is a wasteful number, since it uses less digits than its factorization.

13395038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 13395038 is about 3659.9232232384. The cubic root of 13395038 is about 237.4914523239.

The spelling of 13395038 in words is "thirteen million, three hundred ninety-five thousand, thirty-eight".

Divisors: 1 2 19 31 38 62 83 137 166 274 589 1178 1577 2573 2603 3154 4247 5146 5206 8494 11371 22742 48887 80693 97774 161386 216049 352501 432098 705002 6697519 13395038