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2501020 = 225235437
BaseRepresentation
bin1001100010100110011100
311201001202101
421202212130
51120013040
6125334444
730154414
oct11424634
94631671
102501020
111459065
12a07424
136974c2
14491644
1534609a
hex26299c

2501020 has 24 divisors (see below), whose sum is σ = 5481504. Its totient is φ = 956736.

The previous prime is 2501003. The next prime is 2501071. The reversal of 2501020 is 201052.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2500988 and 2501006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (228396).

22501020 is an apocalyptic number.

2501020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501020 is an abundant number, since it is smaller than the sum of its proper divisors (2980484).

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

2501020 is a wasteful number, since it uses less digits than its factorization.

2501020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469 (or 5467 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 2501020 is about 1581.4613495119. The cubic root of 2501020 is about 135.7393363598.

Adding to 2501020 its reverse (201052), we get a palindrome (2702072).

Subtracting from 2501020 its reverse (201052), we obtain a cube (2299968 = 1323).

The spelling of 2501020 in words is "two million, five hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 5437 10874 21748 27185 54370 108740 125051 250102 500204 625255 1250510 2501020