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2131135 = 51922433
BaseRepresentation
bin1000001000010010111111
311000021100221
420020102333
51021144020
6113402211
724054136
oct10102277
94007327
102131135
111226176
12869367
13598036
143d691d
152c16aa
hex2084bf

2131135 has 8 divisors (see below), whose sum is σ = 2692080. Its totient is φ = 1615104.

The previous prime is 2131133. The next prime is 2131141. The reversal of 2131135 is 5311312.

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 2131135 - 21 = 2131133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131133) 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, 11122 + ... + 11311.

It is an arithmetic number, because the mean of its divisors is an integer number (336510).

22131135 is an apocalyptic number.

2131135 is a deficient number, since it is larger than the sum of its proper divisors (560945).

2131135 is a wasteful number, since it uses less digits than its factorization.

2131135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22457.

The product of its digits is 90, while the sum is 16.

The square root of 2131135 is about 1459.8407447390. The cubic root of 2131135 is about 128.6876846774.

Adding to 2131135 its reverse (5311312), we get a palindrome (7442447).

The spelling of 2131135 in words is "two million, one hundred thirty-one thousand, one hundred thirty-five".

Divisors: 1 5 19 95 22433 112165 426227 2131135