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2097553 = 3171953
BaseRepresentation
bin1000000000000110010001
310221120022011
420000012101
51014110203
6112542521
723554213
oct10000621
93846264
102097553
111202a17
12851a41
13585973
143c85b3
152b676d
hex200191

2097553 has 8 divisors (see below), whose sum is σ = 2198016. Its totient is φ = 1999200.

The previous prime is 2097539. The next prime is 2097559. The reversal of 2097553 is 3557902.

It is a happy number.

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 2097553 - 29 = 2097041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2097559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725 + ... + 2677.

It is an arithmetic number, because the mean of its divisors is an integer number (274752).

22097553 is an apocalyptic number.

It is an amenable number.

2097553 is a deficient number, since it is larger than the sum of its proper divisors (100463).

2097553 is an equidigital number, since it uses as much as digits as its factorization.

2097553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 2097553 is about 1448.2931333125. The cubic root of 2097553 is about 128.0081578459.

The spelling of 2097553 in words is "two million, ninety-seven thousand, five hundred fifty-three".

Divisors: 1 31 71 953 2201 29543 67663 2097553