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2157033 = 3719011
BaseRepresentation
bin1000001110100111101001
311001120220010
420032213221
51023011113
6114122133
724222504
oct10164751
94046803
102157033
11124367a
12880349
135a6a68
1440213b
152c91c3
hex20e9e9

2157033 has 4 divisors (see below), whose sum is σ = 2876048. Its totient is φ = 1438020.

The previous prime is 2157031. The next prime is 2157037. The reversal of 2157033 is 3307512.

It is a happy number.

2157033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2157033 - 21 = 2157031 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2157031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359503 + ... + 359508.

It is an arithmetic number, because the mean of its divisors is an integer number (719012).

22157033 is an apocalyptic number.

It is an amenable number.

2157033 is a deficient number, since it is larger than the sum of its proper divisors (719015).

2157033 is an equidigital number, since it uses as much as digits as its factorization.

2157033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719014.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2157033 is about 1468.6841049048. The cubic root of 2157033 is about 129.2068671726.

The spelling of 2157033 in words is "two million, one hundred fifty-seven thousand, thirty-three".

Divisors: 1 3 719011 2157033