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1923407134 = 21187427597
BaseRepresentation
bin111001010100100…
…1101110100011110
311222001020012120021
41302221031310132
512414343012014
6514505142354
765443455655
oct16251156436
94861205507
101923407134
118a7793280
1245818a9ba
1324863aa3c
1414363c19c
15b3cd3624
hex72a4dd1e

1923407134 has 8 divisors (see below), whose sum is σ = 3147393528. Its totient is φ = 874275960.

The previous prime is 1923407117. The next prime is 1923407137. The reversal of 1923407134 is 4317043291.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1923407134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923407137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43713777 + ... + 43713820.

It is an arithmetic number, because the mean of its divisors is an integer number (393424191).

Almost surely, 21923407134 is an apocalyptic number.

1923407134 is a deficient number, since it is larger than the sum of its proper divisors (1223986394).

1923407134 is a wasteful number, since it uses less digits than its factorization.

1923407134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87427610.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1923407134 is about 43856.6657875402. The cubic root of 1923407134 is about 1243.6277594262.

The spelling of 1923407134 in words is "one billion, nine hundred twenty-three million, four hundred seven thousand, one hundred thirty-four".

Divisors: 1 2 11 22 87427597 174855194 961703567 1923407134