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1374922669 = 1972364351
BaseRepresentation
bin101000111110011…
…1010011110101101
310112211011022022211
41101330322132231
510303440011134
6344233210421
746033435621
oct12174723655
93484138284
101374922669
1164612082a
12324560a11
1318bb0b313
14d0865181
1580a8e764
hex51f3a7ad

1374922669 has 4 divisors (see below), whose sum is σ = 1447287040. Its totient is φ = 1302558300.

The previous prime is 1374922667. The next prime is 1374922687. The reversal of 1374922669 is 9662294731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9662294731 = 89691077299.

It is not a de Polignac number, because 1374922669 - 21 = 1374922667 is a prime.

It is a super-2 number, since 2×13749226692 = 3780824691460167122, 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 (1374922667) 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 3 ways as a sum of consecutive naturals, for example, 36182157 + ... + 36182194.

It is an arithmetic number, because the mean of its divisors is an integer number (361821760).

Almost surely, 21374922669 is an apocalyptic number.

1374922669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1374922669 is a deficient number, since it is larger than the sum of its proper divisors (72364371).

1374922669 is an equidigital number, since it uses as much as digits as its factorization.

1374922669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72364370.

The product of its digits is 979776, while the sum is 49.

The square root of 1374922669 is about 37079.9496898256. The cubic root of 1374922669 is about 1111.9691985176.

The spelling of 1374922669 in words is "one billion, three hundred seventy-four million, nine hundred twenty-two thousand, six hundred sixty-nine".

Divisors: 1 19 72364351 1374922669