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2530774490 = 25277913637
BaseRepresentation
bin1001011011011000…
…1000110111011010
320112101002122221112
42112312020313122
520140334240430
61055043140322
7116500141166
oct22666106732
96471078845
102530774490
111089613372
125a76746a2
13314415aca
141a0181ca6
15ec2a9195
hex96d88dda

2530774490 has 16 divisors (see below), whose sum is σ = 4571844552. Its totient is φ = 1008654144.

The previous prime is 2530774471. The next prime is 2530774501. The reversal of 2530774490 is 944770352.

It can be written as a sum of positive squares in 4 ways, for example, as 1286872129 + 1243902361 = 35873^2 + 35269^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454049 + ... + 459588.

Almost surely, 22530774490 is an apocalyptic number.

2530774490 is a deficient number, since it is larger than the sum of its proper divisors (2041070062).

2530774490 is a wasteful number, since it uses less digits than its factorization.

2530774490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913921.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 2530774490 is about 50306.8036154157. The cubic root of 2530774490 is about 1362.7551001179.

The spelling of 2530774490 in words is "two billion, five hundred thirty million, seven hundred seventy-four thousand, four hundred ninety".

Divisors: 1 2 5 10 277 554 1385 2770 913637 1827274 4568185 9136370 253077449 506154898 1265387245 2530774490