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102243361 = 119294851
BaseRepresentation
bin1100001100000…
…01110000100001
321010101111112011
412012001300201
5202133241421
614051232521
72351024413
oct606016041
9233344464
10102243361
1152793a50
122a2a8741
131824a93c
14d8169b3
158e994e1
hex6181c21

102243361 has 4 divisors (see below), whose sum is σ = 111538224. Its totient is φ = 92948500.

The previous prime is 102243359. The next prime is 102243367. The reversal of 102243361 is 163342201.

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 not a de Polignac number, because 102243361 - 21 = 102243359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102243367) 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, 4647415 + ... + 4647436.

It is an arithmetic number, because the mean of its divisors is an integer number (27884556).

Almost surely, 2102243361 is an apocalyptic number.

102243361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102243361 is a deficient number, since it is larger than the sum of its proper divisors (9294863).

102243361 is an equidigital number, since it uses as much as digits as its factorization.

102243361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294862.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 102243361 is about 10111.5459253271. The cubic root of 102243361 is about 467.6041667850.

Adding to 102243361 its reverse (163342201), we get a palindrome (265585562).

The spelling of 102243361 in words is "one hundred two million, two hundred forty-three thousand, three hundred sixty-one".

Divisors: 1 11 9294851 102243361