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320306483 = 7242115527
BaseRepresentation
bin10011000101110…
…111110100110011
3211022201020220002
4103011313310303
51123444301413
651441140215
710636363100
oct2305676463
9738636802
10320306483
11154894002
128b32a66b
135148a883
143077baa7
151d1c0958
hex13177d33

320306483 has 12 divisors (see below), whose sum is σ = 373510512. Its totient is φ = 273878640.

The previous prime is 320306471. The next prime is 320306491. The reversal of 320306483 is 384603023.

It is not a de Polignac number, because 320306483 - 224 = 303529267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320306423) 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 11 ways as a sum of consecutive naturals, for example, 12866 + ... + 28392.

It is an arithmetic number, because the mean of its divisors is an integer number (31125876).

Almost surely, 2320306483 is an apocalyptic number.

320306483 is a deficient number, since it is larger than the sum of its proper divisors (53204029).

320306483 is a wasteful number, since it uses less digits than its factorization.

320306483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15962 (or 15955 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 320306483 is about 17897.1082301024. The cubic root of 320306483 is about 684.2086750596.

The spelling of 320306483 in words is "three hundred twenty million, three hundred six thousand, four hundred eighty-three".

Divisors: 1 7 49 421 2947 15527 20629 108689 760823 6536867 45758069 320306483