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2125051 = 17125003
BaseRepresentation
bin1000000110110011111011
310222222000121
420012303323
51021000201
6113314111
724030325
oct10066373
93888017
102125051
111221645
12865937
13595336
143d4615
152be9a1
hex206cfb

2125051 has 4 divisors (see below), whose sum is σ = 2250072. Its totient is φ = 2000032.

The previous prime is 2125043. The next prime is 2125069. The reversal of 2125051 is 1505212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2125051 - 23 = 2125043 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62485 + ... + 62518.

It is an arithmetic number, because the mean of its divisors is an integer number (562518).

22125051 is an apocalyptic number.

2125051 is a deficient number, since it is larger than the sum of its proper divisors (125021).

2125051 is a wasteful number, since it uses less digits than its factorization.

2125051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125020.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2125051 is about 1457.7554664621. The cubic root of 2125051 is about 128.5651080373.

The spelling of 2125051 in words is "two million, one hundred twenty-five thousand, fifty-one".

Divisors: 1 17 125003 2125051