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102345000 = 233546823
BaseRepresentation
bin1100001100110…
…10100100101000
321010120122221120
412012122210220
5202200020000
614053335240
72351626632
oct606324450
9233518846
10102345000
115285334a
122a337520
1318284c94
14d841a52
158eb96a0
hex619a928

102345000 has 80 divisors (see below), whose sum is σ = 319772640. Its totient is φ = 27288000.

The previous prime is 102344953. The next prime is 102345011. The reversal of 102345000 is 543201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11589 + ... + 18411.

It is an arithmetic number, because the mean of its divisors is an integer number (3997158).

Almost surely, 2102345000 is an apocalyptic number.

102345000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102345000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159886320).

102345000 is an abundant number, since it is smaller than the sum of its proper divisors (217427640).

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

102345000 is an equidigital number, since it uses as much as digits as its factorization.

102345000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852 (or 6833 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 102345000 is about 10116.5705651668. The cubic root of 102345000 is about 467.7590621885.

Adding to 102345000 its reverse (543201), we get a palindrome (102888201).

The spelling of 102345000 in words is "one hundred two million, three hundred forty-five thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 625 750 1000 1250 1500 1875 2500 3000 3750 5000 6823 7500 13646 15000 20469 27292 34115 40938 54584 68230 81876 102345 136460 163752 170575 204690 272920 341150 409380 511725 682300 818760 852875 1023450 1364600 1705750 2046900 2558625 3411500 4093800 4264375 5117250 6823000 8528750 10234500 12793125 17057500 20469000 25586250 34115000 51172500 102345000