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1924085 = 5384817
BaseRepresentation
bin111010101101111110101
310121202100102
413111233311
5443032320
6105123445
722232402
oct7255765
93552312
101924085
1110a4659
12789585
13524a17
143812a9
15280175
hex1d5bf5

1924085 has 4 divisors (see below), whose sum is σ = 2308908. Its totient is φ = 1539264.

The previous prime is 1924081. The next prime is 1924093. The reversal of 1924085 is 5804291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5804291 = 19305489.

It can be written as a sum of positive squares in 2 ways, for example, as 538756 + 1385329 = 734^2 + 1177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1924085 - 22 = 1924081 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 (1924081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192404 + ... + 192413.

It is an arithmetic number, because the mean of its divisors is an integer number (577227).

21924085 is an apocalyptic number.

It is an amenable number.

1924085 is a deficient number, since it is larger than the sum of its proper divisors (384823).

1924085 is an equidigital number, since it uses as much as digits as its factorization.

1924085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384822.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1924085 is about 1387.1139102467. The cubic root of 1924085 is about 124.3773839429.

The spelling of 1924085 in words is "one million, nine hundred twenty-four thousand, eighty-five".

Divisors: 1 5 384817 1924085