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2505790004 = 221736849853
BaseRepresentation
bin1001010101011011…
…0101001000110100
320110122002022200012
42111112311020310
520112440240004
61052351435352
7116044602134
oct22526651064
96418068605
102505790004
1110764a9133
1259b225b58
1330c1a89a3
1419ab1aac4
15e9ec146e
hex955b5234

2505790004 has 12 divisors (see below), whose sum is σ = 4643081604. Its totient is φ = 1179195264.

The previous prime is 2505789983. The next prime is 2505790009. The reversal of 2505790004 is 4000975052.

It can be written as a sum of positive squares in 2 ways, for example, as 1098789904 + 1407000100 = 33148^2 + 37510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505790009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18424859 + ... + 18424994.

It is an arithmetic number, because the mean of its divisors is an integer number (386923467).

Almost surely, 22505790004 is an apocalyptic number.

It is an amenable number.

2505790004 is a deficient number, since it is larger than the sum of its proper divisors (2137291600).

2505790004 is a wasteful number, since it uses less digits than its factorization.

2505790004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36849874 (or 36849872 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2505790004 is about 50057.8665546186. The cubic root of 2505790004 is about 1358.2557663846.

The spelling of 2505790004 in words is "two billion, five hundred five million, seven hundred ninety thousand, four".

Divisors: 1 2 4 17 34 68 36849853 73699706 147399412 626447501 1252895002 2505790004