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1923493 = 111313451
BaseRepresentation
bin111010101100110100101
310121201112111
413111212211
5443022433
6105121021
722230565
oct7254645
93551474
101923493
1110a4170
12789171
13524680
14380da5
1527edcd
hex1d59a5

1923493 has 8 divisors (see below), whose sum is σ = 2259936. Its totient is φ = 1614000.

The previous prime is 1923491. The next prime is 1923521. The reversal of 1923493 is 3943291.

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 1923493 - 21 = 1923491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923491) 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, 6583 + ... + 6868.

It is an arithmetic number, because the mean of its divisors is an integer number (282492).

21923493 is an apocalyptic number.

1923493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1923493 is a deficient number, since it is larger than the sum of its proper divisors (336443).

1923493 is a wasteful number, since it uses less digits than its factorization.

1923493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13475.

The product of its digits is 5832, while the sum is 31.

The square root of 1923493 is about 1386.9005011175. The cubic root of 1923493 is about 124.3646265432.

The spelling of 1923493 in words is "one million, nine hundred twenty-three thousand, four hundred ninety-three".

Divisors: 1 11 13 143 13451 147961 174863 1923493