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102200193 = 3261186157
BaseRepresentation
bin1100001011101…
…11001110000001
321010022022022100
412011313032001
5202130401233
614050301013
72350454514
oct605671601
9233268270
10102200193
1152764577
122a287769
13182340b4
14d804d7b
158e8b813
hex6177381

102200193 has 12 divisors (see below), whose sum is σ = 150043348. Its totient is φ = 67016160.

The previous prime is 102200191. The next prime is 102200227. The reversal of 102200193 is 391002201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49449024 + 52751169 = 7032^2 + 7263^2 .

It is not a de Polignac number, because 102200193 - 21 = 102200191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102200191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92530 + ... + 93627.

Almost surely, 2102200193 is an apocalyptic number.

It is an amenable number.

102200193 is a deficient number, since it is larger than the sum of its proper divisors (47843155).

102200193 is a wasteful number, since it uses less digits than its factorization.

102200193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186224 (or 186221 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 102200193 is about 10109.4111104456. The cubic root of 102200193 is about 467.5383487278.

Adding to 102200193 its reverse (391002201), we get a palindrome (493202394).

The spelling of 102200193 in words is "one hundred two million, two hundred thousand, one hundred ninety-three".

Divisors: 1 3 9 61 183 549 186157 558471 1675413 11355577 34066731 102200193