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2125461 = 31354499
BaseRepresentation
bin1000000110111010010101
310222222120210
420012322111
51021003321
6113320033
724031452
oct10067225
93888523
102125461
111221988
12866019
13595590
143d4829
152beb76
hex206e95

2125461 has 8 divisors (see below), whose sum is σ = 3052000. Its totient is φ = 1307952.

The previous prime is 2125457. The next prime is 2125463. The reversal of 2125461 is 1645212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2125461 - 22 = 2125457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125463) 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, 27211 + ... + 27288.

It is an arithmetic number, because the mean of its divisors is an integer number (381500).

22125461 is an apocalyptic number.

It is an amenable number.

2125461 is a deficient number, since it is larger than the sum of its proper divisors (926539).

2125461 is a wasteful number, since it uses less digits than its factorization.

2125461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54515.

The product of its digits is 480, while the sum is 21.

The square root of 2125461 is about 1457.8960868320. The cubic root of 2125461 is about 128.5733758083.

Subtracting from 2125461 its reverse (1645212), we obtain a square (480249 = 6932).

The spelling of 2125461 in words is "two million, one hundred twenty-five thousand, four hundred sixty-one".

Divisors: 1 3 13 39 54499 163497 708487 2125461