Search a number
-
+
1349909548 = 2213171527047
BaseRepresentation
bin101000001110101…
…1111110000101100
310111002002111202221
41100131133300230
510231034101143
6341541125124
745311020231
oct12035376054
93432074687
101349909548
11632a97029
123180b97a4
13186891160
14cb3d3788
157d79d2ed
hex5075fc2c

1349909548 has 24 divisors (see below), whose sum is σ = 2693712672. Its totient is φ = 586385664.

The previous prime is 1349909507. The next prime is 1349909563. The reversal of 1349909548 is 8459099431.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 1349909495 and 1349909504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762640 + ... + 764407.

It is an arithmetic number, because the mean of its divisors is an integer number (112238028).

Almost surely, 21349909548 is an apocalyptic number.

It is an amenable number.

1349909548 is a deficient number, since it is larger than the sum of its proper divisors (1343803124).

1349909548 is a wasteful number, since it uses less digits than its factorization.

1349909548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527081 (or 1527079 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 1349909548 is about 36741.1152253167. The cubic root of 1349909548 is about 1105.1847654840.

The spelling of 1349909548 in words is "one billion, three hundred forty-nine million, nine hundred nine thousand, five hundred forty-eight".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 1527047 3054094 6108188 19851611 25959799 39703222 51919598 79406444 103839196 337477387 674954774 1349909548