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1387263041 = 67713671499
BaseRepresentation
bin101001010101111…
…1111010001000001
310120200101021010122
41102223333101001
510320114404131
6345353510025
746243353443
oct12253772101
93520337118
101387263041
1165208a28a
12328712315
1319153c208
14d2358493
1581bcad7b
hex52aff441

1387263041 has 8 divisors (see below), whose sum is σ = 1391256000. Its totient is φ = 1383277168.

The previous prime is 1387263023. The next prime is 1387263049. The reversal of 1387263041 is 1403627831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1387263041 - 214 = 1387246657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1387262992 and 1387263010.

It is not an unprimeable number, because it can be changed into a prime (1387263049) 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, 924710 + ... + 926208.

It is an arithmetic number, because the mean of its divisors is an integer number (173907000).

Almost surely, 21387263041 is an apocalyptic number.

It is an amenable number.

1387263041 is a deficient number, since it is larger than the sum of its proper divisors (3992959).

1387263041 is a wasteful number, since it uses less digits than its factorization.

1387263041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1387263041 is about 37245.9801992108. The cubic root of 1387263041 is about 1115.2860550219.

The spelling of 1387263041 in words is "one billion, three hundred eighty-seven million, two hundred sixty-three thousand, forty-one".

Divisors: 1 677 1367 1499 925459 1014823 2049133 1387263041