Search a number
-
+
2108620 = 2251931179
BaseRepresentation
bin1000000010110011001100
310222010111001
420002303030
51014433440
6113110044
723631403
oct10026314
93863431
102108620
111210268
12858324
1358aa07
143cc63a
152b9b9a
hex202ccc

2108620 has 48 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 768960.

The previous prime is 2108611. The next prime is 2108621. The reversal of 2108620 is 268012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11691 + ... + 11869.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

22108620 is an apocalyptic number.

2108620 is a gapful number since it is divisible by the number (20) 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 2108620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2419200).

2108620 is an abundant number, since it is smaller than the sum of its proper divisors (2729780).

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

2108620 is a wasteful number, since it uses less digits than its factorization.

2108620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2108620 is about 1452.1088113499. The cubic root of 2108620 is about 128.2328930567.

The spelling of 2108620 in words is "two million, one hundred eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 19 20 31 38 62 76 95 124 155 179 190 310 358 380 589 620 716 895 1178 1790 2356 2945 3401 3580 5549 5890 6802 11098 11780 13604 17005 22196 27745 34010 55490 68020 105431 110980 210862 421724 527155 1054310 2108620