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102342443 = 716787547
BaseRepresentation
bin1100001100110…
…01111100101011
321010120112102212
412012121330223
5202144424233
614053315335
72351616320
oct606317453
9233515385
10102342443
1152851435
122a335b4b
1318283a78
14d840b47
158eb8a48
hex6199f2b

102342443 has 8 divisors (see below), whose sum is σ = 117664512. Its totient is φ = 87195816.

The previous prime is 102342419. The next prime is 102342463. The reversal of 102342443 is 344243201.

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 102342443 - 220 = 101293867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102342413) 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, 42605 + ... + 44942.

It is an arithmetic number, because the mean of its divisors is an integer number (14708064).

Almost surely, 2102342443 is an apocalyptic number.

102342443 is a deficient number, since it is larger than the sum of its proper divisors (15322069).

102342443 is an equidigital number, since it uses as much as digits as its factorization.

102342443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87721.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 102342443 is about 10116.4441875592. Note that the first 3 decimals coincide. The cubic root of 102342443 is about 467.7551666395.

Adding to 102342443 its reverse (344243201), we get a palindrome (446585644).

The spelling of 102342443 in words is "one hundred two million, three hundred forty-two thousand, four hundred forty-three".

Divisors: 1 7 167 1169 87547 612829 14620349 102342443