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102330220 = 225231491493
BaseRepresentation
bin1100001100101…
…10111101101100
321010112220200011
412012112331230
5202144031340
614053143004
72351535556
oct606267554
9233486604
10102330220
1152843233
122a32aa64
131827b335
14d83a4d6
158eb50ea
hex6196f6c

102330220 has 48 divisors (see below), whose sum is σ = 225892800. Its totient is φ = 38863616.

The previous prime is 102330211. The next prime is 102330223. The reversal of 102330220 is 22033201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102330220.

It is not an unprimeable number, because it can be changed into a prime (102330223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67794 + ... + 69286.

It is an arithmetic number, because the mean of its divisors is an integer number (4706100).

Almost surely, 2102330220 is an apocalyptic number.

102330220 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 102330220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112946400).

102330220 is an abundant number, since it is smaller than the sum of its proper divisors (123562580).

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

102330220 is a wasteful number, since it uses less digits than its factorization.

102330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 102330220 is about 10115.8400540934. The cubic root of 102330220 is about 467.7365441962.

Adding to 102330220 its reverse (22033201), we get a palindrome (124363421).

The spelling of 102330220 in words is "one hundred two million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 149 230 298 460 596 745 1490 1493 2980 2986 3427 5972 6854 7465 13708 14930 17135 29860 34270 34339 68540 68678 137356 171695 222457 343390 444914 686780 889828 1112285 2224570 4449140 5116511 10233022 20466044 25582555 51165110 102330220