Search a number
-
+
13095428 = 223273857
BaseRepresentation
bin110001111101…
…001000000100
3220122022112212
4301331020010
511323023203
61144402552
7216211043
oct61751004
926568485
1013095428
117434875
124476458
132936798
141a4c55a
15123a1d8
hexc7d204

13095428 has 6 divisors (see below), whose sum is σ = 22917006. Its totient is φ = 6547712.

The previous prime is 13095421. The next prime is 13095431. The reversal of 13095428 is 82459031.

It can be written as a sum of positive squares in only one way, i.e., 12376324 + 719104 = 3518^2 + 848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13095394 and 13095403.

It is not an unprimeable number, because it can be changed into a prime (13095421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636925 + ... + 1636932.

It is an arithmetic number, because the mean of its divisors is an integer number (3819501).

Almost surely, 213095428 is an apocalyptic number.

It is an amenable number.

13095428 is a deficient number, since it is larger than the sum of its proper divisors (9821578).

13095428 is a wasteful number, since it uses less digits than its factorization.

13095428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273861 (or 3273859 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 13095428 is about 3618.7605612972. The cubic root of 13095428 is about 235.7074081512.

The spelling of 13095428 in words is "thirteen million, ninety-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 3273857 6547714 13095428