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2193485 = 5731279
BaseRepresentation
bin1000010111100001001101
311010102220012
420113201031
51030142420
6115003005
724434000
oct10274115
94112805
102193485
111268aa8
12899465
135ba528
14411537
152d4dc5
hex21784d

2193485 has 16 divisors (see below), whose sum is σ = 3072000. Its totient is φ = 1502928.

The previous prime is 2193481. The next prime is 2193509. The reversal of 2193485 is 5843912.

It is not a de Polignac number, because 2193485 - 22 = 2193481 is a prime.

It is a super-2 number, since 2×21934852 = 9622752890450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076 + ... + 2354.

It is an arithmetic number, because the mean of its divisors is an integer number (192000).

22193485 is an apocalyptic number.

It is an amenable number.

2193485 is a deficient number, since it is larger than the sum of its proper divisors (878515).

2193485 is an equidigital number, since it uses as much as digits as its factorization.

2193485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1291 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 2193485 is about 1481.0418630140. The cubic root of 2193485 is about 129.9306336050.

The spelling of 2193485 in words is "two million, one hundred ninety-three thousand, four hundred eighty-five".

Divisors: 1 5 7 35 49 245 343 1279 1715 6395 8953 44765 62671 313355 438697 2193485