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102102630 = 2357486203
BaseRepresentation
bin1100001010111…
…11011001100110
321010010100110220
412011133121212
5202114241010
614044225210
72346600210
oct605373146
9233110426
10102102630
11526a8243
122a23b206
13181cb876
14d7bb5b0
158e6c970
hex615f666

102102630 has 32 divisors (see below), whose sum is σ = 280053504. Its totient is φ = 23337696.

The previous prime is 102102601. The next prime is 102102641. The reversal of 102102630 is 36201201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 242892 + ... + 243311.

It is an arithmetic number, because the mean of its divisors is an integer number (8751672).

Almost surely, 2102102630 is an apocalyptic number.

102102630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102630 is an abundant number, since it is smaller than the sum of its proper divisors (177950874).

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

102102630 is a wasteful number, since it uses less digits than its factorization.

102102630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486220.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102102630 is about 10104.5846030403. The cubic root of 102102630 is about 467.3895265478.

Adding to 102102630 its reverse (36201201), we get a palindrome (138303831).

The spelling of 102102630 in words is "one hundred two million, one hundred two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 486203 972406 1458609 2431015 2917218 3403421 4862030 6806842 7293045 10210263 14586090 17017105 20420526 34034210 51051315 102102630