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102630660 = 223511155501
BaseRepresentation
bin1100001111000…
…00010100000100
321011010011210120
412013200110010
5202233140120
614103421540
72354226516
oct607402404
9234104716
10102630660
1152a28a30
122a4548b0
1318355002
14d8b7bb6
159024140
hex61e0504

102630660 has 48 divisors (see below), whose sum is σ = 313492032. Its totient is φ = 24880000.

The previous prime is 102630643. The next prime is 102630679. The reversal of 102630660 is 66036201.

It is a self number, because there is not a number n which added to its sum of digits gives 102630660.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77091 + ... + 78410.

It is an arithmetic number, because the mean of its divisors is an integer number (6531084).

Almost surely, 2102630660 is an apocalyptic number.

102630660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102630660 is an abundant number, since it is smaller than the sum of its proper divisors (210861372).

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

102630660 is a wasteful number, since it uses less digits than its factorization.

102630660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155524 (or 155522 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 102630660 is about 10130.6791480137. The cubic root of 102630660 is about 468.1938527771.

Adding to 102630660 its reverse (66036201), we get a palindrome (168666861).

The spelling of 102630660 in words is "one hundred two million, six hundred thirty thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 155501 311002 466503 622004 777505 933006 1555010 1710511 1866012 2332515 3110020 3421022 4665030 5131533 6842044 8552555 9330060 10263066 17105110 20526132 25657665 34210220 51315330 102630660