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1061241831 = 34131007827
BaseRepresentation
bin111111010000010…
…100001111100111
32201221220200010000
4333100110033213
54133134214311
6253150032343
735204256336
oct7720241747
92657820100
101061241831
114a5052771
122574a86b3
1313bb30460
14a0d2dd1d
156327c056
hex3f4143e7

1061241831 has 20 divisors (see below), whose sum is σ = 1707260632. Its totient is φ = 653071248.

The previous prime is 1061241821. The next prime is 1061241833. The reversal of 1061241831 is 1381421601.

It is a happy number.

1061241831 is a `hidden beast` number, since 1 + 0 + 612 + 4 + 18 + 31 = 666.

It is not a de Polignac number, because 1061241831 - 27 = 1061241703 is a prime.

It is a super-2 number, since 2×10612418312 = 2252468447728465122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1061241795 and 1061241804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061241833) 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 19 ways as a sum of consecutive naturals, for example, 502861 + ... + 504966.

Almost surely, 21061241831 is an apocalyptic number.

1061241831 is a deficient number, since it is larger than the sum of its proper divisors (646018801).

1061241831 is a wasteful number, since it uses less digits than its factorization.

1061241831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007852 (or 1007843 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1061241831 is about 32576.7068777677. The cubic root of 1061241831 is about 1020.0108389852.

The spelling of 1061241831 in words is "one billion, sixty-one million, two hundred forty-one thousand, eight hundred thirty-one".

Divisors: 1 3 9 13 27 39 81 117 351 1053 1007827 3023481 9070443 13101751 27211329 39305253 81633987 117915759 353747277 1061241831