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102232340 = 22576111971
BaseRepresentation
bin1100001011111…
…11000100010100
321010100221101222
412011333010110
5202132413330
614051105512
72350650320
oct605770424
9233327358
10102232340
1152786741
122a2a2298
1318245912
14d812980
158e960e5
hex617f114

102232340 has 48 divisors (see below), whose sum is σ = 249400704. Its totient is φ = 34473600.

The previous prime is 102232313. The next prime is 102232381. The reversal of 102232340 is 43232201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2555 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (5195848).

Almost surely, 2102232340 is an apocalyptic number.

102232340 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 102232340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124700352).

102232340 is an abundant number, since it is smaller than the sum of its proper divisors (147168364).

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

102232340 is a wasteful number, since it uses less digits than its factorization.

102232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048 (or 12046 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 102232340 is about 10111.0009395707. Note that the first 3 decimals coincide. The cubic root of 102232340 is about 467.5873648768.

Adding to 102232340 its reverse (43232201), we get a palindrome (145464541).

The spelling of 102232340 in words is "one hundred two million, two hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 61 70 122 140 244 305 427 610 854 1220 1708 2135 4270 8540 11971 23942 47884 59855 83797 119710 167594 239420 335188 418985 730231 837970 1460462 1675940 2920924 3651155 5111617 7302310 10223234 14604620 20446468 25558085 51116170 102232340