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1340839948 = 227118740343
BaseRepresentation
bin100111111101011…
…1001100000001100
310110110000201121211
41033322321200030
510221223334243
6341014504204
745140644240
oct11772714014
93413021554
101340839948
11628961998
12315065064
13184a36c26
14ca112420
157caaad9d
hex4feb980c

1340839948 has 24 divisors (see below), whose sum is σ = 2684005632. Its totient is φ = 574147344.

The previous prime is 1340839939. The next prime is 1340839949. The reversal of 1340839948 is 8499380431.

It is not an unprimeable number, because it can be changed into a prime (1340839949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13065 + ... + 53407.

It is an arithmetic number, because the mean of its divisors is an integer number (111833568).

Almost surely, 21340839948 is an apocalyptic number.

It is an amenable number.

1340839948 is an abundant number, since it is smaller than the sum of its proper divisors (1343165684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340839948 is a wasteful number, since it uses less digits than its factorization.

1340839948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41541 (or 41539 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 1340839948 is about 36617.4814535353. The cubic root of 1340839948 is about 1102.7040767288.

The spelling of 1340839948 in words is "one billion, three hundred forty million, eight hundred thirty-nine thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 1187 2374 4748 8309 16618 33236 40343 80686 161372 282401 564802 1129604 47887141 95774282 191548564 335209987 670419974 1340839948