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1317477340 = 225271243077
BaseRepresentation
bin100111010000111…
…0001101111011100
310101211001210011001
41032201301233130
510144233233330
6334422040044
744435241544
oct11641615734
93354053131
101317477340
11616755253
12309279024
1317cc470ba
14c6d90324
157a9e39ca
hex4e871bdc

1317477340 has 24 divisors (see below), whose sum is σ = 2776923072. Its totient is φ = 525044160.

The previous prime is 1317477331. The next prime is 1317477353. The reversal of 1317477340 is 437747131.

It is a self number, because there is not a number n which added to its sum of digits gives 1317477340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116119 + ... + 126958.

It is an arithmetic number, because the mean of its divisors is an integer number (115705128).

Almost surely, 21317477340 is an apocalyptic number.

1317477340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1317477340 is an abundant number, since it is smaller than the sum of its proper divisors (1459445732).

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

1317477340 is a wasteful number, since it uses less digits than its factorization.

1317477340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243357 (or 243355 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 1317477340 is about 36297.0706807037. The cubic root of 1317477340 is about 1096.2620617147.

The spelling of 1317477340 in words is "one billion, three hundred seventeen million, four hundred seventy-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420 243077 486154 972308 1215385 2430770 4861540 65873867 131747734 263495468 329369335 658738670 1317477340