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2494484840 = 235227274723
BaseRepresentation
bin1001010010101110…
…1101000101101000
320102211210221220102
42110223231011220
520102042003330
61051305244532
7115546525361
oct22453550550
96384727812
102494484840
111070087421
12597493748
13309a4b043
14199416b68
15e8edb945
hex94aed168

2494484840 has 32 divisors (see below), whose sum is σ = 5637336480. Its totient is φ = 993394752.

The previous prime is 2494484821. The next prime is 2494484857. The reversal of 2494484840 is 484844942.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128282 + ... + 146441.

It is an arithmetic number, because the mean of its divisors is an integer number (176166765).

Almost surely, 22494484840 is an apocalyptic number.

2494484840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2494484840 is an abundant number, since it is smaller than the sum of its proper divisors (3142851640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2494484840 is a wasteful number, since it uses less digits than its factorization.

2494484840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274961 (or 274957 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 47.

The square root of 2494484840 is about 49944.8179494129. The cubic root of 2494484840 is about 1356.2100436599.

The spelling of 2494484840 in words is "two billion, four hundred ninety-four million, four hundred eighty-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 227 454 908 1135 1816 2270 4540 9080 274723 549446 1098892 1373615 2197784 2747230 5494460 10988920 62362121 124724242 249448484 311810605 498896968 623621210 1247242420 2494484840