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1223081084 = 22305770271
BaseRepresentation
bin100100011100110…
…1011110001111100
310011020102221211102
41020321223301330
510001102043314
6321210512232
742211006031
oct11071536174
93136387742
101223081084
11578440a15
122a1735678
13166516124
14b861b388
15725995de
hex48e6bc7c

1223081084 has 6 divisors (see below), whose sum is σ = 2140391904. Its totient is φ = 611540540.

The previous prime is 1223081059. The next prime is 1223081089. The reversal of 1223081084 is 4801803221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223081089) 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 as a sum of consecutive naturals, namely, 152885132 + ... + 152885139.

It is an arithmetic number, because the mean of its divisors is an integer number (356731984).

Almost surely, 21223081084 is an apocalyptic number.

It is an amenable number.

1223081084 is a deficient number, since it is larger than the sum of its proper divisors (917310820).

1223081084 is a wasteful number, since it uses less digits than its factorization.

1223081084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305770275 (or 305770273 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1223081084 is about 34972.5761704796. The cubic root of 1223081084 is about 1069.4284903269.

The spelling of 1223081084 in words is "one billion, two hundred twenty-three million, eighty-one thousand, eighty-four".

Divisors: 1 2 4 305770271 611540542 1223081084