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102204630 = 232511103237
BaseRepresentation
bin1100001011110…
…00010011010110
321010022112101200
412011320103112
5202131022010
614050333330
72350503453
oct605702326
9233275350
10102204630
1152767940
122a28a246
1318236118
14d80682a
158e8ccc0
hex61784d6

102204630 has 48 divisors (see below), whose sum is σ = 289892304. Its totient is φ = 24776640.

The previous prime is 102204577. The next prime is 102204631. The reversal of 102204630 is 36402201.

It is a happy number.

102204630 is a `hidden beast` number, since 10 + 2 + 20 + 4 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102204631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50629 + ... + 52608.

It is an arithmetic number, because the mean of its divisors is an integer number (6039423).

Almost surely, 2102204630 is an apocalyptic number.

102204630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102204630 is an abundant number, since it is smaller than the sum of its proper divisors (187687674).

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

102204630 is a wasteful number, since it uses less digits than its factorization.

102204630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103261 (or 103258 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102204630 is about 10109.6305570481. The cubic root of 102204630 is about 467.5451146564.

Adding to 102204630 its reverse (36402201), we get a palindrome (138606831).

The spelling of 102204630 in words is "one hundred two million, two hundred four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 103237 206474 309711 516185 619422 929133 1032370 1135607 1548555 1858266 2271214 3097110 3406821 4645665 5678035 6813642 9291330 10220463 11356070 17034105 20440926 34068210 51102315 102204630