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102648630 = 2357269829
BaseRepresentation
bin1100001111001…
…00101100110110
321011011002110010
412013210230312
5202234224010
614104041050
72354333100
oct607445466
9234132403
10102648630
1152a40487
122a463186
1318360246
14d8c0570
159029620
hex61e4b36

102648630 has 48 divisors (see below), whose sum is σ = 286582320. Its totient is φ = 23462208.

The previous prime is 102648629. The next prime is 102648643. The reversal of 102648630 is 36846201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33445 + ... + 36384.

It is an arithmetic number, because the mean of its divisors is an integer number (5970465).

Almost surely, 2102648630 is an apocalyptic number.

102648630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102648630 is an abundant number, since it is smaller than the sum of its proper divisors (183933690).

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

102648630 is a wasteful number, since it uses less digits than its factorization.

102648630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69853 (or 69846 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 102648630 is about 10131.5660191305. The cubic root of 102648630 is about 468.2211771411.

The spelling of 102648630 in words is "one hundred two million, six hundred forty-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 69829 139658 209487 349145 418974 488803 698290 977606 1047435 1466409 2094870 2444015 2932818 3421621 4888030 6843242 7332045 10264863 14664090 17108105 20529726 34216210 51324315 102648630