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1897352 = 234872
BaseRepresentation
bin111001111001110001000
310120101200022
413033032020
5441203402
6104400012
722061432
oct7171610
93511608
101897352
111086566
12776008
135157c2
14375652
152772a2
hex1cf388

1897352 has 12 divisors (see below), whose sum is σ = 3564855. Its totient is φ = 946728.

The previous prime is 1897327. The next prime is 1897361. The reversal of 1897352 is 2537981.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 948676 + 948676 = 974^2 + 974^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=974.

It is a super-2 number, since 2×18973522 = 7199889223808, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3653 + ... + 4139.

21897352 is an apocalyptic number.

It is an amenable number.

1897352 is a deficient number, since it is larger than the sum of its proper divisors (1667503).

1897352 is an frugal number, since it uses more digits than its factorization.

1897352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 489 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 1897352 is about 1377.4440097514. Note that the first 3 decimals coincide. The cubic root of 1897352 is about 123.7986673866.

The spelling of 1897352 in words is "one million, eight hundred ninety-seven thousand, three hundred fifty-two".

Divisors: 1 2 4 8 487 974 1948 3896 237169 474338 948676 1897352