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2130095 = 51138729
BaseRepresentation
bin1000001000000010101111
311000012221102
420020002233
51021130340
6113353315
724051122
oct10100257
94005842
102130095
111225410
1286883b
13597716
143d63b9
152c1215
hex2080af

2130095 has 8 divisors (see below), whose sum is σ = 2788560. Its totient is φ = 1549120.

The previous prime is 2130061. The next prime is 2130101. The reversal of 2130095 is 5900312.

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

It is not a de Polignac number, because 2130095 - 26 = 2130031 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19310 + ... + 19419.

It is an arithmetic number, because the mean of its divisors is an integer number (348570).

22130095 is an apocalyptic number.

2130095 is a deficient number, since it is larger than the sum of its proper divisors (658465).

2130095 is a wasteful number, since it uses less digits than its factorization.

2130095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38745.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 2130095 is about 1459.4844980335. The cubic root of 2130095 is about 128.6667479514. Note that the first 3 decimals are identical.

The spelling of 2130095 in words is "two million, one hundred thirty thousand, ninety-five".

Divisors: 1 5 11 55 38729 193645 426019 2130095