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480139 = 1143649
BaseRepresentation
bin1110101001110001011
3220101121221
41311032023
5110331024
614142511
74036552
oct1651613
9811557
10480139
112a8810
121b1a37
1313a70a
14c6d99
15973e4
hex7538b

480139 has 4 divisors (see below), whose sum is σ = 523800. Its totient is φ = 436480.

The previous prime is 480133. The next prime is 480143. The reversal of 480139 is 931084.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 480139 - 25 = 480107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (480133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21814 + ... + 21835.

It is an arithmetic number, because the mean of its divisors is an integer number (130950).

2480139 is an apocalyptic number.

480139 is a deficient number, since it is larger than the sum of its proper divisors (43661).

480139 is a wasteful number, since it uses less digits than its factorization.

480139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43660.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 480139 is about 692.9206303755. The cubic root of 480139 is about 78.3049099634.

The spelling of 480139 in words is "four hundred eighty thousand, one hundred thirty-nine".

Divisors: 1 11 43649 480139