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2135331 = 321121569
BaseRepresentation
bin1000001001010100100011
311000111010100
420021110203
51021312311
6113433443
724102312
oct10112443
94014110
102135331
111229340
1286b883
13599c13
143d8279
152c2a56
hex209523

2135331 has 12 divisors (see below), whose sum is σ = 3364920. Its totient is φ = 1294080.

The previous prime is 2135303. The next prime is 2135333. The reversal of 2135331 is 1335312.

It is not a de Polignac number, because 2135331 - 26 = 2135267 is a prime.

It is a super-2 number, since 2×21353312 = 9119276959122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2135333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10686 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (280410).

22135331 is an apocalyptic number.

2135331 is a deficient number, since it is larger than the sum of its proper divisors (1229589).

2135331 is a wasteful number, since it uses less digits than its factorization.

2135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21586 (or 21583 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 2135331 is about 1461.2771810988. The cubic root of 2135331 is about 128.7720872026.

The spelling of 2135331 in words is "two million, one hundred thirty-five thousand, three hundred thirty-one".

Divisors: 1 3 9 11 33 99 21569 64707 194121 237259 711777 2135331