Search a number
-
+
2145235 = 5487881
BaseRepresentation
bin1000001011101111010011
311000222201011
420023233103
51022121420
6113551351
724143221
oct10135723
94028634
102145235
111235824
12875557
135a1591
143dbb11
152c595a
hex20bbd3

2145235 has 8 divisors (see below), whose sum is σ = 2582496. Its totient is φ = 1710720.

The previous prime is 2145197. The next prime is 2145239. The reversal of 2145235 is 5325412.

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

It is a de Polignac number, because none of the positive numbers 2k-2145235 is a prime.

It is a Duffinian number.

2145235 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2145239) 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, 1995 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (322812).

22145235 is an apocalyptic number.

2145235 is a deficient number, since it is larger than the sum of its proper divisors (437261).

2145235 is an equidigital number, since it uses as much as digits as its factorization.

2145235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its digits is 1200, while the sum is 22.

The square root of 2145235 is about 1464.6620770676. The cubic root of 2145235 is about 128.9708685696.

The spelling of 2145235 in words is "two million, one hundred forty-five thousand, two hundred thirty-five".

Divisors: 1 5 487 881 2435 4405 429047 2145235