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102332420 = 2255116621
BaseRepresentation
bin1100001100101…
…11100000000100
321010120000200122
412012113200010
5202144114140
614053201112
72351545151
oct606274004
9233500618
10102332420
1152844953
122a330198
131827c338
14d83b228
158eb5ab5
hex6197804

102332420 has 12 divisors (see below), whose sum is σ = 214898124. Its totient is φ = 40932960.

The previous prime is 102332407. The next prime is 102332429. The reversal of 102332420 is 24233201.

It can be written as a sum of positive squares in 2 ways, for example, as 58003456 + 44328964 = 7616^2 + 6658^2 .

It is not an unprimeable number, because it can be changed into a prime (102332429) 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, 2558291 + ... + 2558330.

It is an arithmetic number, because the mean of its divisors is an integer number (17908177).

Almost surely, 2102332420 is an apocalyptic number.

102332420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102332420 is an abundant number, since it is smaller than the sum of its proper divisors (112565704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102332420 is a wasteful number, since it uses less digits than its factorization.

102332420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116630 (or 5116628 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 102332420 is about 10115.9487938601. The cubic root of 102332420 is about 467.7398961322.

Adding to 102332420 its reverse (24233201), we get a palindrome (126565621).

The spelling of 102332420 in words is "one hundred two million, three hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 5116621 10233242 20466484 25583105 51166210 102332420