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1002305061 = 32111367229
BaseRepresentation
bin111011101111011…
…111011000100101
32120212000101001200
4323233133120211
54023042230221
6243242513113
733560311122
oct7357373045
92525011050
101002305061
1147485869a
1223b805799
1312c866424
149718b749
155ced9426
hex3bbdf625

1002305061 has 6 divisors (see below), whose sum is σ = 1447773990. Its totient is φ = 668203368.

The previous prime is 1002305053. The next prime is 1002305077. The reversal of 1002305061 is 1605032001.

It can be written as a sum of positive squares in only one way, i.e., 598536225 + 403768836 = 24465^2 + 20094^2 .

It is not a de Polignac number, because 1002305061 - 23 = 1002305053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002305011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55683606 + ... + 55683623.

It is an arithmetic number, because the mean of its divisors is an integer number (241295665).

Almost surely, 21002305061 is an apocalyptic number.

It is an amenable number.

1002305061 is a deficient number, since it is larger than the sum of its proper divisors (445468929).

1002305061 is a wasteful number, since it uses less digits than its factorization.

1002305061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111367235 (or 111367232 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1002305061 is about 31659.2018376964. The cubic root of 1002305061 is about 1000.7677640542.

Adding to 1002305061 its reverse (1605032001), we get a palindrome (2607337062).

The spelling of 1002305061 in words is "one billion, two million, three hundred five thousand, sixty-one".

Divisors: 1 3 9 111367229 334101687 1002305061