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1914386469 = 34713577209
BaseRepresentation
bin111001000011011…
…0011100000100101
311221102020220112120
41302012303200211
512410040331334
6513543540153
765304005442
oct16206634045
94842226476
101914386469
118a2691986
1245515a659
132467ccb78
141423709c9
15b3100949
hex721b3825

1914386469 has 8 divisors (see below), whose sum is σ = 2606824320. Its totient is φ = 1249103136.

The previous prime is 1914386459. The next prime is 1914386479. The reversal of 1914386469 is 9646834191.

It is an interprime number because it is at equal distance from previous prime (1914386459) and next prime (1914386479).

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

It is not a de Polignac number, because 1914386469 - 25 = 1914386437 is a prime.

It is a super-2 number, since 2×19143864692 = 7329751105380575922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914386429) 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, 6788464 + ... + 6788745.

It is an arithmetic number, because the mean of its divisors is an integer number (325853040).

Almost surely, 21914386469 is an apocalyptic number.

It is an amenable number.

1914386469 is a deficient number, since it is larger than the sum of its proper divisors (692437851).

1914386469 is a wasteful number, since it uses less digits than its factorization.

1914386469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13577259.

The product of its digits is 1119744, while the sum is 51.

The square root of 1914386469 is about 43753.7023462015. The cubic root of 1914386469 is about 1241.6805320574.

The spelling of 1914386469 in words is "one billion, nine hundred fourteen million, three hundred eighty-six thousand, four hundred sixty-nine".

Divisors: 1 3 47 141 13577209 40731627 638128823 1914386469