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2485680837 = 3828560279
BaseRepresentation
bin1001010000101000…
…0111101011000101
320102020020200002020
42110022013223011
520042313241322
61050352433353
7115411636623
oct22412075305
96366220066
102485680837
111066113892
12594548859
13307c87983
141981a4513
15e834d05c
hex94287ac5

2485680837 has 4 divisors (see below), whose sum is σ = 3314241120. Its totient is φ = 1657120556.

The previous prime is 2485680787. The next prime is 2485680851. The reversal of 2485680837 is 7380865842.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2485680837 - 27 = 2485680709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2485680837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485680877) 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, 414280137 + ... + 414280142.

It is an arithmetic number, because the mean of its divisors is an integer number (828560280).

Almost surely, 22485680837 is an apocalyptic number.

It is an amenable number.

2485680837 is a deficient number, since it is larger than the sum of its proper divisors (828560283).

2485680837 is an equidigital number, since it uses as much as digits as its factorization.

2485680837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828560282.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 2485680837 is about 49856.6027422647. The cubic root of 2485680837 is about 1354.6126327421.

The spelling of 2485680837 in words is "two billion, four hundred eighty-five million, six hundred eighty thousand, eight hundred thirty-seven".

Divisors: 1 3 828560279 2485680837