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1374657869 = 13831274011
BaseRepresentation
bin101000111101111…
…1001110101001101
310112210122212002102
41101323321311031
510303403022434
6344223404445
746031253614
oct12173716515
93483585072
101374657869
11645a5a892
12324453725
1318ba47930
14d07d687b
1580a3b07e
hex51ef9d4d

1374657869 has 8 divisors (see below), whose sum is σ = 1498238112. Its totient is φ = 1253625840.

The previous prime is 1374657853. The next prime is 1374657877. The reversal of 1374657869 is 9687564731.

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 1374657869 - 24 = 1374657853 is a prime.

It is a super-2 number, since 2×13746578692 = 3779368513607242322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374657829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635927 + ... + 638084.

It is an arithmetic number, because the mean of its divisors is an integer number (187279764).

Almost surely, 21374657869 is an apocalyptic number.

It is an amenable number.

1374657869 is a deficient number, since it is larger than the sum of its proper divisors (123580243).

1374657869 is a wasteful number, since it uses less digits than its factorization.

1374657869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274107.

The product of its digits is 7620480, while the sum is 56.

The square root of 1374657869 is about 37076.3788550069. The cubic root of 1374657869 is about 1111.8978082362.

The spelling of 1374657869 in words is "one billion, three hundred seventy-four million, six hundred fifty-seven thousand, eight hundred sixty-nine".

Divisors: 1 13 83 1079 1274011 16562143 105742913 1374657869