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102243233 = 229446477
BaseRepresentation
bin1100001100000…
…01101110100001
321010101111100102
412012001232201
5202133240413
614051232145
72351024141
oct606015641
9233344312
10102243233
1152793944
122a2a8655
131824a871
14d816921
158e99458
hex6181ba1

102243233 has 4 divisors (see below), whose sum is σ = 102689940. Its totient is φ = 101796528.

The previous prime is 102243227. The next prime is 102243263. The reversal of 102243233 is 332342201.

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 82591744 + 19651489 = 9088^2 + 4433^2 .

It is a cyclic number.

It is not a de Polignac number, because 102243233 - 216 = 102177697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102243223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223010 + ... + 223467.

It is an arithmetic number, because the mean of its divisors is an integer number (25672485).

Almost surely, 2102243233 is an apocalyptic number.

It is an amenable number.

102243233 is a deficient number, since it is larger than the sum of its proper divisors (446707).

102243233 is an equidigital number, since it uses as much as digits as its factorization.

102243233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446706.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 102243233 is about 10111.5395959270. The cubic root of 102243233 is about 467.6039716514.

Adding to 102243233 its reverse (332342201), we get a palindrome (434585434).

The spelling of 102243233 in words is "one hundred two million, two hundred forty-three thousand, two hundred thirty-three".

Divisors: 1 229 446477 102243233