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1377748316 = 22749205297
BaseRepresentation
bin101001000011110…
…1100010101011100
310120000110212101102
41102013230111130
510310200421231
6344413532232
746066444640
oct12207542534
93500425342
101377748316
1164778077a
123254a4078
1318c58a4b9
14d0d9cc20
1580e4bacb
hex521ec55c

1377748316 has 12 divisors (see below), whose sum is σ = 2755496688. Its totient is φ = 590463552.

The previous prime is 1377748313. The next prime is 1377748331. The reversal of 1377748316 is 6138477731.

1377748316 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377748313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24602621 + ... + 24602676.

It is an arithmetic number, because the mean of its divisors is an integer number (229624724).

Almost surely, 21377748316 is an apocalyptic number.

It is an amenable number.

1377748316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1377748316 is a wasteful number, since it uses less digits than its factorization.

1377748316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49205308 (or 49205306 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 1377748316 is about 37118.0322215497. The cubic root of 1377748316 is about 1112.7304249547.

The spelling of 1377748316 in words is "one billion, three hundred seventy-seven million, seven hundred forty-eight thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 49205297 98410594 196821188 344437079 688874158 1377748316