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2134557 = 32237173
BaseRepresentation
bin1000001001001000011101
311000110001200
420021020131
51021301212
6113430113
724100125
oct10111035
94013050
102134557
1112287a7
1286b339
13599769
143d7c85
152c26dc
hex20921d

2134557 has 6 divisors (see below), whose sum is σ = 3083262. Its totient is φ = 1423032.

The previous prime is 2134549. The next prime is 2134579. The reversal of 2134557 is 7554312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2134521 + 36 = 1461^2 + 6^2 .

It is not a de Polignac number, because 2134557 - 23 = 2134549 is a prime.

It is a d-powerful number, because it can be written as 27 + 1 + 311 + 45 + 55 + 59 + 7 .

It is a self number, because there is not a number n which added to its sum of digits gives 2134557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134507) 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, 118578 + ... + 118595.

It is an arithmetic number, because the mean of its divisors is an integer number (513877).

22134557 is an apocalyptic number.

It is an amenable number.

2134557 is a deficient number, since it is larger than the sum of its proper divisors (948705).

2134557 is a wasteful number, since it uses less digits than its factorization.

2134557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237179 (or 237176 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 2134557 is about 1461.0123202766. The cubic root of 2134557 is about 128.7565265174.

Adding to 2134557 its reverse (7554312), we get a palindrome (9688869).

The spelling of 2134557 in words is "two million, one hundred thirty-four thousand, five hundred fifty-seven".

Divisors: 1 3 9 237173 711519 2134557