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1948306061 = 13836732683
BaseRepresentation
bin111010000100000…
…1100101010001101
312000210002012110202
41310020030222031
512442231243221
6521154543245
766165220412
oct16410145215
95023065422
101948306061
1190a84a1a9
12464597b25
13250847c30
14146a80109
15b60a0d0b
hex7420ca8d

1948306061 has 16 divisors (see below), whose sum is σ = 2127402816. Its totient is φ = 1773467136.

The previous prime is 1948306033. The next prime is 1948306081. The reversal of 1948306061 is 1606038491.

It is a cyclic number.

It is not a de Polignac number, because 1948306061 - 218 = 1948043917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948306081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724826 + ... + 727508.

It is an arithmetic number, because the mean of its divisors is an integer number (132962676).

Almost surely, 21948306061 is an apocalyptic number.

It is an amenable number.

1948306061 is a deficient number, since it is larger than the sum of its proper divisors (179096755).

1948306061 is a wasteful number, since it uses less digits than its factorization.

1948306061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1948306061 is about 44139.6200821892. The cubic root of 1948306061 is about 1248.9711130256.

The spelling of 1948306061 in words is "one billion, nine hundred forty-eight million, three hundred six thousand, sixty-one".

Divisors: 1 13 83 673 1079 2683 8749 34879 55859 222689 726167 1805659 2894957 23473567 149869697 1948306061