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102313434 = 2359289021
BaseRepresentation
bin1100001100100…
…10110111011010
321010112001122110
412012102313122
5202143012214
614052533150
72351435616
oct606226732
9233461573
10102313434
1152831663
122a3211b6
13182737c2
14d834346
158eb0159
hex6192dda

102313434 has 16 divisors (see below), whose sum is σ = 208095840. Its totient is φ = 33526320.

The previous prime is 102313433. The next prime is 102313439. The reversal of 102313434 is 434313201.

It is a self number, because there is not a number n which added to its sum of digits gives 102313434.

It is not an unprimeable number, because it can be changed into a prime (102313433) 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, 144157 + ... + 144864.

It is an arithmetic number, because the mean of its divisors is an integer number (13005990).

Almost surely, 2102313434 is an apocalyptic number.

102313434 is an abundant number, since it is smaller than the sum of its proper divisors (105782406).

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

102313434 is a wasteful number, since it uses less digits than its factorization.

102313434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289085.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 102313434 is about 10115.0103311860. The cubic root of 102313434 is about 467.7109673432.

Adding to 102313434 its reverse (434313201), we get a palindrome (536626635).

The spelling of 102313434 in words is "one hundred two million, three hundred thirteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 59 118 177 354 289021 578042 867063 1734126 17052239 34104478 51156717 102313434