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2490885947 = 112364715217
BaseRepresentation
bin1001010001110111…
…1110011100111011
320102121001010011002
42110131332130323
520100131322242
61051100155215
7115504116104
oct22435763473
96377033132
102490885947
111069049530
12596238b0b
1330908ac14
14198b5b3ab
15e8a2a432
hex9477e73b

2490885947 has 16 divisors (see below), whose sum is σ = 2840044032. Its totient is φ = 2162497920.

The previous prime is 2490885907. The next prime is 2490885949. The reversal of 2490885947 is 7495880942.

It is not a de Polignac number, because 2490885947 - 212 = 2490881851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2490885892 and 2490885901.

It is not an unprimeable number, because it can be changed into a prime (2490885949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156083 + ... + 171299.

It is an arithmetic number, because the mean of its divisors is an integer number (177502752).

Almost surely, 22490885947 is an apocalyptic number.

2490885947 is a deficient number, since it is larger than the sum of its proper divisors (349158085).

2490885947 is a wasteful number, since it uses less digits than its factorization.

2490885947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15898.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 2490885947 is about 49908.7762522785. The cubic root of 2490885947 is about 1355.5575102650.

The spelling of 2490885947 in words is "two billion, four hundred ninety million, eight hundred eighty-five thousand, nine hundred forty-seven".

Divisors: 1 11 23 253 647 7117 14881 15217 163691 167387 349991 3849901 9845399 108299389 226444177 2490885947