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2520604780 = 225126030239
BaseRepresentation
bin1001011000111101…
…0110000001101100
320111122221222201121
42112033112001230
520130233323110
61054041150324
7116314533661
oct22617260154
96448858647
102520604780
1110838a7751
125a418b3a4
13312294c25
1419ca95a68
15eb44acda
hex963d606c

2520604780 has 12 divisors (see below), whose sum is σ = 5293270080. Its totient is φ = 1008241904.

The previous prime is 2520604769. The next prime is 2520604829. The reversal of 2520604780 is 874060252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63015100 + ... + 63015139.

It is an arithmetic number, because the mean of its divisors is an integer number (441105840).

Almost surely, 22520604780 is an apocalyptic number.

2520604780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520604780 is an abundant number, since it is smaller than the sum of its proper divisors (2772665300).

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

2520604780 is a wasteful number, since it uses less digits than its factorization.

2520604780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126030248 (or 126030246 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 2520604780 is about 50205.6249836609. The cubic root of 2520604780 is about 1360.9272763570.

The spelling of 2520604780 in words is "two billion, five hundred twenty million, six hundred four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 126030239 252060478 504120956 630151195 1260302390 2520604780