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102225508 = 22711615441
BaseRepresentation
bin1100001011111…
…01011001100100
321010100121000221
412011331121210
5202132204013
614051014124
72350621360
oct605753144
9233317027
10102225508
11527815a0
122a29a344
1318242788
14d8102a0
158e9408d
hex617d664

102225508 has 48 divisors (see below), whose sum is σ = 226735488. Its totient is φ = 39168000.

The previous prime is 102225503. The next prime is 102225509. The reversal of 102225508 is 805522201.

It is a super-3 number, since 3×1022255083 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102225503) 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, 16068 + ... + 21508.

It is an arithmetic number, because the mean of its divisors is an integer number (4723656).

Almost surely, 2102225508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102225508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113367744).

102225508 is an abundant number, since it is smaller than the sum of its proper divisors (124509980).

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

102225508 is a wasteful number, since it uses less digits than its factorization.

102225508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524 (or 5522 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 102225508 is about 10110.6630840910. The cubic root of 102225508 is about 467.5769486425.

Adding to 102225508 its reverse (805522201), we get a palindrome (907747709).

The spelling of 102225508 in words is "one hundred two million, two hundred twenty-five thousand, five hundred eight".

Divisors: 1 2 4 7 11 14 22 28 44 61 77 122 154 244 308 427 671 854 1342 1708 2684 4697 5441 9394 10882 18788 21764 38087 59851 76174 119702 152348 239404 331901 418957 663802 837914 1327604 1675828 2323307 3650911 4646614 7301822 9293228 14603644 25556377 51112754 102225508