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102323130 = 235713371013
BaseRepresentation
bin1100001100101…
…01001110111010
321010112112221120
412012111032322
5202143320010
614053050110
72351506110
oct606251672
9233475846
10102323130
1152838978
122a326936
1318278040
14d837ab0
158eb2e70
hex61953ba

102323130 has 128 divisors (see below), whose sum is σ = 310722048. Its totient is φ = 20984832.

The previous prime is 102323077. The next prime is 102323131. The reversal of 102323130 is 31323201.

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

It is not an unprimeable number, because it can be changed into a prime (102323131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100504 + ... + 101516.

It is an arithmetic number, because the mean of its divisors is an integer number (2427516).

Almost surely, 2102323130 is an apocalyptic number.

102323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102323130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155361024).

102323130 is an abundant number, since it is smaller than the sum of its proper divisors (208398918).

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

102323130 is a wasteful number, since it uses less digits than its factorization.

102323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 102323130 is about 10115.4896075277. The cubic root of 102323130 is about 467.7257414940.

Adding to 102323130 its reverse (31323201), we get a palindrome (133646331).

The spelling of 102323130 in words is "one hundred two million, three hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 37 39 42 65 70 74 78 91 105 111 130 182 185 195 210 222 259 273 370 390 455 481 518 546 555 777 910 962 1013 1110 1295 1365 1443 1554 2026 2405 2590 2730 2886 3039 3367 3885 4810 5065 6078 6734 7091 7215 7770 10101 10130 13169 14182 14430 15195 16835 20202 21273 26338 30390 33670 35455 37481 39507 42546 50505 65845 70910 74962 79014 92183 101010 106365 112443 131690 184366 187405 197535 212730 224886 262367 276549 374810 395070 460915 487253 524734 553098 562215 787101 921830 974506 1124430 1311835 1382745 1461759 1574202 2436265 2623670 2765490 2923518 3410771 3935505 4872530 6821542 7308795 7871010 10232313 14617590 17053855 20464626 34107710 51161565 102323130