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2872434784 = 25178363617
BaseRepresentation
bin1010101100110101…
…1110000001100000
321102011222210202111
42223031132001200
521340320403114
61153010125104
7131116202302
oct25315360140
97364883674
102872434784
11124446184a
12681b80794
1336a13c06b
141d36bb972
1511c296bc4
hexab35e060

2872434784 has 48 divisors (see below), whose sum is σ = 6059996208. Its totient is φ = 1335427072.

The previous prime is 2872434731. The next prime is 2872434823. The reversal of 2872434784 is 4874342782.

It is a happy number.

It is a congruent 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, 13344 + ... + 76960.

It is an arithmetic number, because the mean of its divisors is an integer number (126249921).

Almost surely, 22872434784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2872434784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029998104).

2872434784 is an abundant number, since it is smaller than the sum of its proper divisors (3187561424).

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

2872434784 is a wasteful number, since it uses less digits than its factorization.

2872434784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63727 (or 63719 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 49.

The square root of 2872434784 is about 53595.1003730751. The cubic root of 2872434784 is about 1421.5104578187.

The spelling of 2872434784 in words is "two billion, eight hundred seventy-two million, four hundred thirty-four thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 17 32 34 68 83 136 166 272 332 544 664 1328 1411 2656 2822 5644 11288 22576 45152 63617 127234 254468 508936 1017872 1081489 2035744 2162978 4325956 5280211 8651912 10560422 17303824 21120844 34607648 42241688 84483376 89763587 168966752 179527174 359054348 718108696 1436217392 2872434784