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2136929 = 732401
BaseRepresentation
bin1000001001101101100001
311000120022112
420021231201
51021340204
6113445105
724110054
oct10115541
94016275
102136929
11122a563
12870795
1359a872
143d8a9b
152c326e
hex209b61

2136929 has 6 divisors (see below), whose sum is σ = 2172006. Its totient is φ = 2102400.

The previous prime is 2136919. The next prime is 2136973. The reversal of 2136929 is 9296312.

It can be written as a sum of positive squares in 3 ways, for example, as 1106704 + 1030225 = 1052^2 + 1015^2 .

It is not a de Polignac number, because 2136929 - 24 = 2136913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2136895 and 2136904.

It is not an unprimeable number, because it can be changed into a prime (2136919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5129 + ... + 5529.

It is an arithmetic number, because the mean of its divisors is an integer number (362001).

22136929 is an apocalyptic number.

It is an amenable number.

2136929 is a deficient number, since it is larger than the sum of its proper divisors (35077).

2136929 is an frugal number, since it uses more digits than its factorization.

2136929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 474 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 2136929 is about 1461.8238607986. The cubic root of 2136929 is about 128.8042018934.

The spelling of 2136929 in words is "two million, one hundred thirty-six thousand, nine hundred twenty-nine".

Divisors: 1 73 401 5329 29273 2136929