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2157035 = 51512857
BaseRepresentation
bin1000001110100111101011
311001120220012
420032213223
51023011120
6114122135
724222506
oct10164753
94046805
102157035
111243681
1288034b
135a6a6a
1440213d
152c91c5
hex20e9eb

2157035 has 8 divisors (see below), whose sum is σ = 2606496. Its totient is φ = 1713600.

The previous prime is 2157031. The next prime is 2157037. The reversal of 2157035 is 5307512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2157035 - 22 = 2157031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2157035.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (325812).

22157035 is an apocalyptic number.

2157035 is a deficient number, since it is larger than the sum of its proper divisors (449461).

2157035 is a wasteful number, since it uses less digits than its factorization.

2157035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 2157035 is about 1468.6847857862. The cubic root of 2157035 is about 129.2069071061.

The spelling of 2157035 in words is "two million, one hundred fifty-seven thousand, thirty-five".

Divisors: 1 5 151 755 2857 14285 431407 2157035