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2135522 = 21067761
BaseRepresentation
bin1000001001010111100010
311000111101102
420021113202
51021314042
6113434402
724103004
oct10112742
94014342
102135522
1112294a4
1286ba02
1359a02c
143d8374
152c2b32
hex2095e2

2135522 has 4 divisors (see below), whose sum is σ = 3203286. Its totient is φ = 1067760.

The previous prime is 2135521. The next prime is 2135533. The reversal of 2135522 is 2255312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2019241 + 116281 = 1421^2 + 341^2 .

It is a d-powerful number, because it can be written as 28 + 1 + 313 + 5 + 56 + 210 + 219 .

It is a junction number, because it is equal to n+sod(n) for n = 2135494 and 2135503.

It is not an unprimeable number, because it can be changed into a prime (2135521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533879 + ... + 533882.

22135522 is an apocalyptic number.

2135522 is a deficient number, since it is larger than the sum of its proper divisors (1067764).

2135522 is a wasteful number, since it uses less digits than its factorization.

2135522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067763.

The product of its digits is 600, while the sum is 20.

The square root of 2135522 is about 1461.3425334260. The cubic root of 2135522 is about 128.7759265348.

The spelling of 2135522 in words is "two million, one hundred thirty-five thousand, five hundred twenty-two".

Divisors: 1 2 1067761 2135522