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1974485 = 5394897
BaseRepresentation
bin111100010000011010101
310201022111002
413202003111
51001140420
6110153045
722532342
oct7420325
93638432
101974485
111129507
127b2785
13541946
143957c9
15290075
hex1e20d5

1974485 has 4 divisors (see below), whose sum is σ = 2369388. Its totient is φ = 1579584.

The previous prime is 1974457. The next prime is 1974493. The reversal of 1974485 is 5844791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 276676 + 1697809 = 526^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1974485 - 28 = 1974229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197444 + ... + 197453.

It is an arithmetic number, because the mean of its divisors is an integer number (592347).

21974485 is an apocalyptic number.

It is an amenable number.

1974485 is a deficient number, since it is larger than the sum of its proper divisors (394903).

1974485 is an equidigital number, since it uses as much as digits as its factorization.

1974485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394902.

The product of its digits is 40320, while the sum is 38.

The square root of 1974485 is about 1405.1636915321. The cubic root of 1974485 is about 125.4540288656.

The spelling of 1974485 in words is "one million, nine hundred seventy-four thousand, four hundred eighty-five".

Divisors: 1 5 394897 1974485