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2389790490 = 23579659683
BaseRepresentation
bin1000111001110001…
…0100111100011010
320011112210221020220
42032130110330122
514343241243430
61033045300510
7113135612133
oct21634247432
96145727226
102389790490
111016a79a6a
12568404736
132c1152919
14189562c8a
15dec0b110
hex8e714f1a

2389790490 has 16 divisors (see below), whose sum is σ = 5735497248. Its totient is φ = 637277456.

The previous prime is 2389790483. The next prime is 2389790497. The reversal of 2389790490 is 940979832.

2389790490 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2389790483) and next prime (2389790497).

It is a super-2 number, since 2×23897904902 = 11422197172188880200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2389790497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39829812 + ... + 39829871.

It is an arithmetic number, because the mean of its divisors is an integer number (358468578).

Almost surely, 22389790490 is an apocalyptic number.

2389790490 is an abundant number, since it is smaller than the sum of its proper divisors (3345706758).

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

2389790490 is a wasteful number, since it uses less digits than its factorization.

2389790490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79659693.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 2389790490 is about 48885.4834281098. The cubic root of 2389790490 is about 1336.9647066312.

The spelling of 2389790490 in words is "two billion, three hundred eighty-nine million, seven hundred ninety thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 79659683 159319366 238979049 398298415 477958098 796596830 1194895245 2389790490