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2428291880 = 23578672471
BaseRepresentation
bin1001000010111100…
…1100101100101000
320021020021000020022
42100233030230220
514433120320010
61040542420012
7114114066110
oct22057145450
96236230208
102428291880
1110367866a3
12579291608
132c9113301
14190706040
15e32b3d55
hex90bccb28

2428291880 has 32 divisors (see below), whose sum is σ = 6244179840. Its totient is φ = 832557120.

The previous prime is 2428291841. The next prime is 2428291891. The reversal of 2428291880 is 881928242.

It is a happy number.

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, 4335956 + ... + 4336515.

It is an arithmetic number, because the mean of its divisors is an integer number (195130620).

Almost surely, 22428291880 is an apocalyptic number.

2428291880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2428291880 is an abundant number, since it is smaller than the sum of its proper divisors (3815887960).

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

2428291880 is a wasteful number, since it uses less digits than its factorization.

2428291880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672489 (or 8672485 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 2428291880 is about 49277.7016509496. The cubic root of 2428291880 is about 1344.1063387257.

The spelling of 2428291880 in words is "two billion, four hundred twenty-eight million, two hundred ninety-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 8672471 17344942 34689884 43362355 60707297 69379768 86724710 121414594 173449420 242829188 303536485 346898840 485658376 607072970 1214145940 2428291880