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2831890484 = 222924412849
BaseRepresentation
bin1010100011001011…
…0011100000110100
321022100200221102202
42220302303200310
521244430443414
61145001124032
7130114446323
oct25062634064
97270627382
102831890484
11122358a265
12670489618
13361914857
141cc1660ba
151189389de
hexa8cb3834

2831890484 has 12 divisors (see below), whose sum is σ = 5126698500. Its totient is φ = 1367119488.

The previous prime is 2831890441. The next prime is 2831890531. The reversal of 2831890484 is 4840981382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1860196900 + 971693584 = 43130^2 + 31172^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12206309 + ... + 12206540.

It is an arithmetic number, because the mean of its divisors is an integer number (427224875).

Almost surely, 22831890484 is an apocalyptic number.

It is an amenable number.

2831890484 is a deficient number, since it is larger than the sum of its proper divisors (2294808016).

2831890484 is a wasteful number, since it uses less digits than its factorization.

2831890484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24412882 (or 24412880 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 2831890484 is about 53215.5098068223. The cubic root of 2831890484 is about 1414.7905534743.

The spelling of 2831890484 in words is "two billion, eight hundred thirty-one million, eight hundred ninety thousand, four hundred eighty-four".

Divisors: 1 2 4 29 58 116 24412849 48825698 97651396 707972621 1415945242 2831890484