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2125040 = 245101263
BaseRepresentation
bin1000000110110011110000
310222222000012
420012303300
51021000130
6113314052
724030311
oct10066360
93888005
102125040
111221635
12865928
13595328
143d4608
152be995
hex206cf0

2125040 has 40 divisors (see below), whose sum is σ = 5008608. Its totient is φ = 838400.

The previous prime is 2125037. The next prime is 2125043. The reversal of 2125040 is 405212.

It is an interprime number because it is at equal distance from previous prime (2125037) and next prime (2125043).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7949 + ... + 8211.

22125040 is an apocalyptic number.

2125040 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 2125040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504304).

2125040 is an abundant number, since it is smaller than the sum of its proper divisors (2883568).

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

2125040 is a wasteful number, since it uses less digits than its factorization.

2125040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2125040 is about 1457.7516935336. The cubic root of 2125040 is about 128.5648862044.

The spelling of 2125040 in words is "two million, one hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101 202 263 404 505 526 808 1010 1052 1315 1616 2020 2104 2630 4040 4208 5260 8080 10520 21040 26563 53126 106252 132815 212504 265630 425008 531260 1062520 2125040