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102313340 = 22543271439
BaseRepresentation
bin1100001100100…
…10110101111100
321010112001111222
412012102311330
5202143011330
614052532512
72351435423
oct606226574
9233461458
10102313340
1152831588
122a321138
131827374c
14d8342ba
158eb00e5
hex6192d7c

102313340 has 48 divisors (see below), whose sum is σ = 221168640. Its totient is φ = 39735360.

The previous prime is 102313331. The next prime is 102313397. The reversal of 102313340 is 43313201.

It is a happy number.

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, 232841 + ... + 233279.

It is an arithmetic number, because the mean of its divisors is an integer number (4607680).

Almost surely, 2102313340 is an apocalyptic number.

102313340 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 102313340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110584320).

102313340 is an abundant number, since it is smaller than the sum of its proper divisors (118855300).

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

102313340 is a wasteful number, since it uses less digits than its factorization.

102313340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 102313340 is about 10115.0056846252. The cubic root of 102313340 is about 467.7108241074.

Adding to 102313340 its reverse (43313201), we get a palindrome (145626541).

The spelling of 102313340 in words is "one hundred two million, three hundred thirteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 271 430 439 542 860 878 1084 1355 1756 2195 2710 4390 5420 8780 11653 18877 23306 37754 46612 58265 75508 94385 116530 118969 188770 233060 237938 377540 475876 594845 1189690 2379380 5115667 10231334 20462668 25578335 51156670 102313340