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2520677748 = 223210056479
BaseRepresentation
bin1001011000111110…
…0111110101110100
320111200002200211010
42112033213311310
520130243141443
61054042512220
7116315256501
oct22617476564
96450080733
102520677748
111083947556
125a4205670
133122bc1c4
1419cab44a8
15eb462733
hex963e7d74

2520677748 has 12 divisors (see below), whose sum is σ = 5881581440. Its totient is φ = 840225912.

The previous prime is 2520677729. The next prime is 2520677749. The reversal of 2520677748 is 8477760252.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2520677697 and 2520677706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520677749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105028228 + ... + 105028251.

Almost surely, 22520677748 is an apocalyptic number.

It is an amenable number.

2520677748 is an abundant number, since it is smaller than the sum of its proper divisors (3360903692).

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

2520677748 is a wasteful number, since it uses less digits than its factorization.

2520677748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210056486 (or 210056484 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 2520677748 is about 50206.3516698834. The cubic root of 2520677748 is about 1360.9404085471.

The spelling of 2520677748 in words is "two billion, five hundred twenty million, six hundred seventy-seven thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 210056479 420112958 630169437 840225916 1260338874 2520677748