Search a number
-
+
103420340 = 22531166807
BaseRepresentation
bin1100010101000…
…01000110110100
321012121022000222
412022201012310
5202433422330
614132353512
72364026012
oct612410664
9235538028
10103420340
1153418261
122a775898
131857058a
14da418b2
15912d0e5
hex62a11b4

103420340 has 24 divisors (see below), whose sum is σ = 224189952. Its totient is φ = 40033440.

The previous prime is 103420313. The next prime is 103420349. The reversal of 103420340 is 43024301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82784 + ... + 84023.

It is an arithmetic number, because the mean of its divisors is an integer number (9341248).

Almost surely, 2103420340 is an apocalyptic number.

103420340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103420340 is an abundant number, since it is smaller than the sum of its proper divisors (120769612).

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

103420340 is a wasteful number, since it uses less digits than its factorization.

103420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166847 (or 166845 counting only the distinct ones).

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

The square root of 103420340 is about 10169.5791456677. The cubic root of 103420340 is about 469.3916075537.

Adding to 103420340 its reverse (43024301), we get a palindrome (146444641).

The spelling of 103420340 in words is "one hundred three million, four hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 166807 333614 667228 834035 1668070 3336140 5171017 10342034 20684068 25855085 51710170 103420340