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210113797 = 617340541
BaseRepresentation
bin11001000011000…
…01010100000101
3112122100212221111
430201201110011
5412242120142
632503245021
75130636445
oct1441412405
9478325844
10210113797
11a8670673
125a449771
13346b88ba
141dc96125
15136a5e17
hexc861505

210113797 has 4 divisors (see below), whose sum is σ = 210454956. Its totient is φ = 209772640.

The previous prime is 210113789. The next prime is 210113801. The reversal of 210113797 is 797311012.

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 70543201 + 139570596 = 8399^2 + 11814^2 .

It is a cyclic number.

It is not a de Polignac number, because 210113797 - 23 = 210113789 is a prime.

It is a super-3 number, since 3×2101137973 (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210113767) 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, 169654 + ... + 170887.

It is an arithmetic number, because the mean of its divisors is an integer number (52613739).

Almost surely, 2210113797 is an apocalyptic number.

It is an amenable number.

210113797 is a deficient number, since it is larger than the sum of its proper divisors (341159).

210113797 is an equidigital number, since it uses as much as digits as its factorization.

210113797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341158.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 210113797 is about 14495.3025839408. The cubic root of 210113797 is about 594.4995410453.

The spelling of 210113797 in words is "two hundred ten million, one hundred thirteen thousand, seven hundred ninety-seven".

Divisors: 1 617 340541 210113797