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2125141 = 53101397
BaseRepresentation
bin1000000110110101010101
310222222010221
420012311111
51021001031
6113314341
724030514
oct10066525
93888127
102125141
111221717
128659b1
135953a5
143d467b
152bea11
hex206d55

2125141 has 8 divisors (see below), whose sum is σ = 2192184. Its totient is φ = 2059200.

The previous prime is 2125111. The next prime is 2125147. The reversal of 2125141 is 1415212.

It can be written as a sum of positive squares in 4 ways, for example, as 1276900 + 848241 = 1130^2 + 921^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2125141 - 213 = 2116949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125147) 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, 5155 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (274023).

22125141 is an apocalyptic number.

It is an amenable number.

2125141 is a deficient number, since it is larger than the sum of its proper divisors (67043).

2125141 is a wasteful number, since it uses less digits than its factorization.

2125141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its digits is 80, while the sum is 16.

The square root of 2125141 is about 1457.7863355101. The cubic root of 2125141 is about 128.5669230050.

The spelling of 2125141 in words is "two million, one hundred twenty-five thousand, one hundred forty-one".

Divisors: 1 53 101 397 5353 21041 40097 2125141