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2102830 = 25210283
BaseRepresentation
bin1000000001011000101110
310221211112121
420001120232
51014242310
6113023154
723605462
oct10013056
93854477
102102830
111206984
12854aba
135881a2
143ca4a2
152b80da
hex20162e

2102830 has 8 divisors (see below), whose sum is σ = 3785112. Its totient is φ = 841128.

The previous prime is 2102809. The next prime is 2102831. The reversal of 2102830 is 382012.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105132 + ... + 105151.

It is an arithmetic number, because the mean of its divisors is an integer number (473139).

22102830 is an apocalyptic number.

2102830 is a deficient number, since it is larger than the sum of its proper divisors (1682282).

2102830 is a wasteful number, since it uses less digits than its factorization.

2102830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210290.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2102830 is about 1450.1137886387. The cubic root of 2102830 is about 128.1154151069.

Adding to 2102830 its reverse (382012), we get a palindrome (2484842).

The spelling of 2102830 in words is "two million, one hundred two thousand, eight hundred thirty".

Divisors: 1 2 5 10 210283 420566 1051415 2102830