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102402022 = 271721141
BaseRepresentation
bin1100001101010…
…00011111100110
321010200120011111
412012220133212
5202203331042
614054455234
72352255112
oct606503746
9233616144
10102402022
1152892178
122a36451a
13182a4c18
14d858742
158ecb517
hex61a87e6

102402022 has 8 divisors (see below), whose sum is σ = 155766672. Its totient is φ = 50479800.

The previous prime is 102402011. The next prime is 102402023. The reversal of 102402022 is 220204201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102401993 and 102402011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102402023) 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, 360429 + ... + 360712.

It is an arithmetic number, because the mean of its divisors is an integer number (19470834).

Almost surely, 2102402022 is an apocalyptic number.

102402022 is a deficient number, since it is larger than the sum of its proper divisors (53364650).

102402022 is an equidigital number, since it uses as much as digits as its factorization.

102402022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721214.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 102402022 is about 10119.3884202554. The cubic root of 102402022 is about 467.8459174500.

Adding to 102402022 its reverse (220204201), we get a palindrome (322606223).

The spelling of 102402022 in words is "one hundred two million, four hundred two thousand, twenty-two".

Divisors: 1 2 71 142 721141 1442282 51201011 102402022