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2135928 = 23388997
BaseRepresentation
bin1000001001011101111000
311000111221110
420021131320
51021322203
6113440320
724104124
oct10113570
94014843
102135928
111229833
128700a0
1359a282
143d8584
152c2d03
hex209778

2135928 has 16 divisors (see below), whose sum is σ = 5339880. Its totient is φ = 711968.

The previous prime is 2135921. The next prime is 2135929. The reversal of 2135928 is 8295312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2135895 and 2135904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135921) 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, 44475 + ... + 44522.

22135928 is an apocalyptic number.

It is an amenable number.

2135928 is an abundant number, since it is smaller than the sum of its proper divisors (3203952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135928 is a wasteful number, since it uses less digits than its factorization.

2135928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89006 (or 89002 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 2135928 is about 1461.4814401832. The cubic root of 2135928 is about 128.7840868680.

The spelling of 2135928 in words is "two million, one hundred thirty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 88997 177994 266991 355988 533982 711976 1067964 2135928