Search a number
-
+
4101620 = 225205081
BaseRepresentation
bin1111101001010111110100
321201101100212
433221113310
52022222440
6223524552
746602035
oct17512764
97641325
104101620
112351676
121459758
13b07bc3
1478aa8c
15560465
hex3e95f4

4101620 has 12 divisors (see below), whose sum is σ = 8613444. Its totient is φ = 1640640.

The previous prime is 4101593. The next prime is 4101623. The reversal of 4101620 is 261014.

It can be written as a sum of positive squares in 2 ways, for example, as 2598544 + 1503076 = 1612^2 + 1226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4101595 and 4101604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102521 + ... + 102560.

It is an arithmetic number, because the mean of its divisors is an integer number (717787).

Almost surely, 24101620 is an apocalyptic number.

It is an amenable number.

4101620 is an abundant number, since it is smaller than the sum of its proper divisors (4511824).

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

4101620 is a wasteful number, since it uses less digits than its factorization.

4101620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205090 (or 205088 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4101620 is about 2025.2456641109. The cubic root of 4101620 is about 160.0731436408.

Adding to 4101620 its reverse (261014), we get a palindrome (4362634).

Subtracting from 4101620 its reverse (261014), we obtain a triangular number (3840606 = T2771).

The spelling of 4101620 in words is "four million, one hundred one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 205081 410162 820324 1025405 2050810 4101620