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480049261 = 2320871707
BaseRepresentation
bin11100100111001…
…111100001101101
31020110022000210021
4130213033201231
51440343034021
6115345042141
714616231346
oct3447174155
91213260707
10480049261
11226a8012a
12114926351
13785bb223
1447a810cd
152c226c41
hex1c9cf86d

480049261 has 4 divisors (see below), whose sum is σ = 500920992. Its totient is φ = 459177532.

The previous prime is 480049259. The next prime is 480049303. The reversal of 480049261 is 162940084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 480049261 - 21 = 480049259 is a prime.

It is a super-2 number, since 2×4800492612 = 460894585973292242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480049561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10435831 + ... + 10435876.

It is an arithmetic number, because the mean of its divisors is an integer number (125230248).

Almost surely, 2480049261 is an apocalyptic number.

It is an amenable number.

480049261 is a deficient number, since it is larger than the sum of its proper divisors (20871731).

480049261 is a wasteful number, since it uses less digits than its factorization.

480049261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20871730.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 480049261 is about 21910.0264947352. The cubic root of 480049261 is about 783.0003120807. Note that the first 3 decimals are identical.

The spelling of 480049261 in words is "four hundred eighty million, forty-nine thousand, two hundred sixty-one".

Divisors: 1 23 20871707 480049261