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2136468 = 223178039
BaseRepresentation
bin1000001001100110010100
311000112200110
420021212110
51021331333
6113443020
724105525
oct10114624
94015613
102136468
11122a184
12870470
1359a5a9
143d884c
152c3063
hex209994

2136468 has 12 divisors (see below), whose sum is σ = 4985120. Its totient is φ = 712152.

The previous prime is 2136457. The next prime is 2136473. The reversal of 2136468 is 8646312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89008 + ... + 89031.

22136468 is an apocalyptic number.

It is an amenable number.

2136468 is an abundant number, since it is smaller than the sum of its proper divisors (2848652).

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

2136468 is a wasteful number, since it uses less digits than its factorization.

2136468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178046 (or 178044 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 2136468 is about 1461.6661725579. Note that the first 3 decimals coincide. The cubic root of 2136468 is about 128.7949389110.

The spelling of 2136468 in words is "two million, one hundred thirty-six thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 178039 356078 534117 712156 1068234 2136468