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102443453 = 728351713
BaseRepresentation
bin1100001101100…
…10100110111101
321010202122222222
412012302212331
5202211142303
614055415125
72352516650
oct606624675
9233678888
10102443453
1152910312
122a3844a5
13182baa38
14d869897
158ed8938
hex61b29bd

102443453 has 8 divisors (see below), whose sum is σ = 117494208. Its totient is φ = 87496704.

The previous prime is 102443447. The next prime is 102443477. The reversal of 102443453 is 354344201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102443453 - 26 = 102443389 is a prime.

It is a super-2 number, since 2×1024434532 = 20989322125126418, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102443443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23876 + ... + 27837.

It is an arithmetic number, because the mean of its divisors is an integer number (14686776).

Almost surely, 2102443453 is an apocalyptic number.

It is an amenable number.

102443453 is a deficient number, since it is larger than the sum of its proper divisors (15050755).

102443453 is an equidigital number, since it uses as much as digits as its factorization.

102443453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52003.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 102443453 is about 10121.4353231150. The cubic root of 102443453 is about 467.9090044552.

Adding to 102443453 its reverse (354344201), we get a palindrome (456787654).

The spelling of 102443453 in words is "one hundred two million, four hundred forty-three thousand, four hundred fifty-three".

Divisors: 1 7 283 1981 51713 361991 14634779 102443453