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2053620 = 223353803
BaseRepresentation
bin111110101010111110100
310212100001000
413311113310
51011203440
6112003300
723312142
oct7652764
93770030
102053620
111182a08
12830530
1356b97a
143b6592
152a8730
hex1f55f4

2053620 has 48 divisors (see below), whose sum is σ = 6390720. Its totient is φ = 547488.

The previous prime is 2053619. The next prime is 2053621. The reversal of 2053620 is 263502.

It is an interprime number because it is at equal distance from previous prime (2053619) and next prime (2053621).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2053593 and 2053602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053621) 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, 1362 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (133140).

22053620 is an apocalyptic number.

2053620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2053620 is an abundant number, since it is smaller than the sum of its proper divisors (4337100).

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

2053620 is a wasteful number, since it uses less digits than its factorization.

2053620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2053620 is about 1433.0457075753. The cubic root of 2053620 is about 127.1081394438.

The spelling of 2053620 in words is "two million, fifty-three thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 3803 7606 11409 15212 19015 22818 34227 38030 45636 57045 68454 76060 102681 114090 136908 171135 205362 228180 342270 410724 513405 684540 1026810 2053620