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102020353 = 467218459
BaseRepresentation
bin1100001010010…
…11010100000001
321002222011121121
412011023110001
5202104122403
614042352241
72346105301
oct605132401
9232864547
10102020353
1152651446
122a1bb681
13181a0296
14d799601
158e533bd
hex614b501

102020353 has 4 divisors (see below), whose sum is σ = 102239280. Its totient is φ = 101801428.

The previous prime is 102020339. The next prime is 102020371. The reversal of 102020353 is 353020201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102020353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020323) 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, 108763 + ... + 109696.

It is an arithmetic number, because the mean of its divisors is an integer number (25559820).

Almost surely, 2102020353 is an apocalyptic number.

It is an amenable number.

102020353 is a deficient number, since it is larger than the sum of its proper divisors (218927).

102020353 is an equidigital number, since it uses as much as digits as its factorization.

102020353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218926.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 102020353 is about 10100.5125117491. The cubic root of 102020353 is about 467.2639478624.

Adding to 102020353 its reverse (353020201), we get a palindrome (455040554).

The spelling of 102020353 in words is "one hundred two million, twenty thousand, three hundred fifty-three".

Divisors: 1 467 218459 102020353